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The technological roots of the Chinese space program trace back to the 1950s, when, with the help of the [[Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance|newly allied]] [[Soviet Union]], China began development of its first [[ballistic missile]] and [[rocket]] programs in response to the perceived American (and, [[Sino-Soviet split|later]], Soviet) threats.<ref name="missile-programs2">[http://www.globalsecurity.org/wmd/world/china/df-1.htm DF-1]. [[GlobalSecurity.org]].</ref> Driven by the successes of Soviet [[Sputnik 1]] and American [[Explorer 1]] satellite launches in 1957 and 1958 respectively, China would launch its first satellite, [[Dong Fang Hong 1]] in April 1970 aboard a [[Long March 1]] rocket making it the fifth nation to place a satellite in [[orbit]].<ref>{{Cite web |date=24 November 2009 |title=This Day in History: October 4 |url=https://www.history.com/this-day-in-history/sputnik-launched |website=History.com}}</ref><ref>{{Cite news |last=Howell |first=Elizabeth |date=29 September 2020 |title=Explorer 1: The First U.S. Satellite |work=[[Space.com]] |url=https://www.space.com/17825-explorer-1.html}}</ref> A year later, China began development on a crewed space mission but, under pressure from [[Cultural Revolution|Mao's Cultural Revolution]] on [[Stinking Old Ninth|academics]], was shut down and resources put to China's first [[reconnaissance satellite]] program, [[Fanhui Shi Weixing]], which had its maiden launch in November 1975.<ref name=":22">{{Cite web |date=2 November 2014 |title=KSP History Part 104 - FSW-0 No. 1 |url=https://imgur.com/a/1wTQN |access-date=20 May 2022 |website=Imgur}}</ref><ref>{{Cite web |date=16 September 2011 |title=FSW-0 (Jianbing 1) |url=http://sinodefence.com/space/military/fsw0.asp |url-status=dead |archive-url=https://web.archive.org/web/20111108175730/http://sinodefence.com/space/military/fsw0.asp |archive-date=8 November 2011 |access-date=19 May 2022 |website=SinoDefence.com}}</ref> Chinese first [[Human spaceflight|crewed space]] program began in earnest several decades later, when an accelerated program of technological development culminated in [[Yang Liwei]]'s successful 2003 flight aboard [[Shenzhou 5|Shenzhou&nbsp;5]].<ref>{{Cite news |last=Jacobs |first=Andrew |date=3 June 2010 |title=In Leaked Lecture, Details of China's News Cleanups |work=[[The New York Times]] |url=https://www.nytimes.com/2010/06/04/world/asia/04china.html}}</ref><ref>{{Cite news |last=Pomfret |first=John |date=16 October 2003 |title=China's First Space Traveler Returns a Hero |newspaper=[[The Washington Post]] |url=https://www.washingtonpost.com/archive/politics/2003/10/16/chinas-first-space-traveler-returns-a-hero/0eeb58b2-8e4a-4f8f-9ff6-616629a821bb/}}</ref> This achievement made China the third country to independently send humans into space.<ref>{{Cite news |last1=Song |first1=Wanyuan |last2=Tauschinski |first2=Jana |date=26 July 2022 |title=China space station: What is the Tiangong? |work=[[BBC]] |url=https://www.bbc.com/news/world-asia-china-61511546}}</ref><ref>{{Cite news |date=4 June 2022 |title=China plans to complete space station with latest mission |work=[[ABC News]] |agency=[[Associated Press]] |url=https://abcnews.go.com/Technology/wireStory/china-plans-complete-space-station-latest-mission-85176168}}</ref>
The technological roots of the Chinese space program trace back to the 1950s, when, with the help of the [[Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance|newly allied]] [[Soviet Union]], China began development of its first [[ballistic missile]] and [[rocket]] programs in response to the perceived American (and, [[Sino-Soviet split|later]], Soviet) threats.<ref name="missile-programs2">[http://www.globalsecurity.org/wmd/world/china/df-1.htm DF-1]. [[GlobalSecurity.org]].</ref> Driven by the successes of Soviet [[Sputnik 1]] and American [[Explorer 1]] satellite launches in 1957 and 1958 respectively, China would launch its first satellite, [[Dong Fang Hong 1]] in April 1970 aboard a [[Long March 1]] rocket making it the fifth nation to place a satellite in [[orbit]].<ref>{{Cite web |date=24 November 2009 |title=This Day in History: October 4 |url=https://www.history.com/this-day-in-history/sputnik-launched |website=History.com}}</ref><ref>{{Cite news |last=Howell |first=Elizabeth |date=29 September 2020 |title=Explorer 1: The First U.S. Satellite |work=[[Space.com]] |url=https://www.space.com/17825-explorer-1.html}}</ref> A year later, China began development on a crewed space mission but, under pressure from [[Cultural Revolution|Mao's Cultural Revolution]] on [[Stinking Old Ninth|academics]], was shut down and resources put to China's first [[reconnaissance satellite]] program, [[Fanhui Shi Weixing]], which had its maiden launch in November 1975.<ref name=":22">{{Cite web |date=2 November 2014 |title=KSP History Part 104 - FSW-0 No. 1 |url=https://imgur.com/a/1wTQN |access-date=20 May 2022 |website=Imgur}}</ref><ref>{{Cite web |date=16 September 2011 |title=FSW-0 (Jianbing 1) |url=http://sinodefence.com/space/military/fsw0.asp |url-status=dead |archive-url=https://web.archive.org/web/20111108175730/http://sinodefence.com/space/military/fsw0.asp |archive-date=8 November 2011 |access-date=19 May 2022 |website=SinoDefence.com}}</ref> Chinese first [[Human spaceflight|crewed space]] program began in earnest several decades later, when an accelerated program of technological development culminated in [[Yang Liwei]]'s successful 2003 flight aboard [[Shenzhou 5|Shenzhou&nbsp;5]].<ref>{{Cite news |last=Jacobs |first=Andrew |date=3 June 2010 |title=In Leaked Lecture, Details of China's News Cleanups |work=[[The New York Times]] |url=https://www.nytimes.com/2010/06/04/world/asia/04china.html}}</ref><ref>{{Cite news |last=Pomfret |first=John |date=16 October 2003 |title=China's First Space Traveler Returns a Hero |newspaper=[[The Washington Post]] |url=https://www.washingtonpost.com/archive/politics/2003/10/16/chinas-first-space-traveler-returns-a-hero/0eeb58b2-8e4a-4f8f-9ff6-616629a821bb/}}</ref> This achievement made China the third country to independently send humans into space.<ref>{{Cite news |last1=Song |first1=Wanyuan |last2=Tauschinski |first2=Jana |date=26 July 2022 |title=China space station: What is the Tiangong? |work=[[BBC]] |url=https://www.bbc.com/news/world-asia-china-61511546}}</ref><ref>{{Cite news |date=4 June 2022 |title=China plans to complete space station with latest mission |work=[[ABC News]] |agency=[[Associated Press]] |url=https://abcnews.go.com/Technology/wireStory/china-plans-complete-space-station-latest-mission-85176168}}</ref>


Today, China has one of the most active space programs in the world. It conducts [[Timeline of spaceflight#Orbital launches by year|either the highest or the second highest number of orbital launches]] each year. It is operating a satellite fleet consisting of large number of communication, navigation, remote sensing and scientific research satellites. With spacecrafts reaching as far as the Moon and Mars, China has conducted multiple complex extraterrestrial exploration missions, including landing or even [[sample-return mission|sample-return]]. In the near future, the Chinese space program is steadily pursuing a crewed mission to the Moon, [[Spaceflight|space transportation]], in-orbit maintenance of [[spacecraft]], [[Xuntian|space telescope]], [[Anti-satellite weapon|counterspace capabilities]], [[quantum communications]], orbiter and sample-return missions to Mars, and exploration missions throughout the Solar System and [[Outer space|deep space]].<ref name=":1" /><ref>{{Cite report |url=http://www.cnsa.gov.cn/english/n6465645/n6465648/c6813088/content.html |title=China's Space Program: A 2021 Perspective |date=28 January 2022}}</ref><ref>{{Cite news |last=Kwon |first=Karen |date=25 June 2020 |title=China Reaches New Milestone in Space-Based Quantum Communications |work=[[Scientific American]] |url=https://www.scientificamerican.com/article/china-reaches-new-milestone-in-space-based-quantum-communications/}}</ref>
Today, China has one of the most active space programs in the world. It conducts [[Timeline of spaceflight#Orbital launches by year|either the highest or the second highest number of orbital launches]] each year. It operates a satellite fleet consisting of a large number of communication, navigation, remote sensing and scientific research satellites. With spacecrafts reaching as far as the Moon and Mars, China has conducted multiple complex extraterrestrial exploration missions, including landing or even [[sample-return mission|sample-return]]. In the near future, the Chinese space program is steadily pursuing a crewed mission to the Moon, [[Spaceflight|space transportation]], in-orbit maintenance of [[spacecraft]], [[Xuntian|space telescope]], [[Anti-satellite weapon|counterspace capabilities]], [[quantum communications]], orbiter and sample-return missions to Mars, and exploration missions throughout the Solar System and [[Outer space|deep space]].<ref name=":1" /><ref>{{Cite report |url=http://www.cnsa.gov.cn/english/n6465645/n6465648/c6813088/content.html |title=China's Space Program: A 2021 Perspective |date=28 January 2022}}</ref><ref>{{Cite news |last=Kwon |first=Karen |date=25 June 2020 |title=China Reaches New Milestone in Space-Based Quantum Communications |work=[[Scientific American]] |url=https://www.scientificamerican.com/article/china-reaches-new-milestone-in-space-based-quantum-communications/}}</ref>


==History==
==History==

Revision as of 16:11, 9 May 2023

From left to right, top to bottom:Long March 1 carrying Dong Fang Hong 1, Long March 3B, Long March 5B, Chang'e 4 on the far side of the Moon, Zhurong rover on Mars,Tiangong Space Station, Shenzhou 14 crew heading to the Tiangong Space Station.

The space program of the People's Republic of China is directed by the China National Space Administration (CNSA). China's space program has overseen the development and launch of ballistic missiles, thousands of artificial satellites, crewed spaceflight, an indigenous space station, and has stated plans to explore the Moon, Mars, and the broader Solar System.[1][2][3]

The technological roots of the Chinese space program trace back to the 1950s, when, with the help of the newly allied Soviet Union, China began development of its first ballistic missile and rocket programs in response to the perceived American (and, later, Soviet) threats.[4] Driven by the successes of Soviet Sputnik 1 and American Explorer 1 satellite launches in 1957 and 1958 respectively, China would launch its first satellite, Dong Fang Hong 1 in April 1970 aboard a Long March 1 rocket making it the fifth nation to place a satellite in orbit.[5][6] A year later, China began development on a crewed space mission but, under pressure from Mao's Cultural Revolution on academics, was shut down and resources put to China's first reconnaissance satellite program, Fanhui Shi Weixing, which had its maiden launch in November 1975.[7][8] Chinese first crewed space program began in earnest several decades later, when an accelerated program of technological development culminated in Yang Liwei's successful 2003 flight aboard Shenzhou 5.[9][10] This achievement made China the third country to independently send humans into space.[11][12]

Today, China has one of the most active space programs in the world. It conducts either the highest or the second highest number of orbital launches each year. It operates a satellite fleet consisting of a large number of communication, navigation, remote sensing and scientific research satellites. With spacecrafts reaching as far as the Moon and Mars, China has conducted multiple complex extraterrestrial exploration missions, including landing or even sample-return. In the near future, the Chinese space program is steadily pursuing a crewed mission to the Moon, space transportation, in-orbit maintenance of spacecraft, space telescope, counterspace capabilities, quantum communications, orbiter and sample-return missions to Mars, and exploration missions throughout the Solar System and deep space.[3][13][14]

History

Early years (1950s to 1970s)

Qian Xuesen, the forefather of Chinese space program.
Qian Xuesen, the forefather of Chinese space program.

The space program of China began in the form of missile research since the 1950s. After its birth in 1949, the newly founded People's Republic of China were in pursuit of missile technology to build up the nation's defense for the Cold War while most of its industry were destroyed or heavily damaged during the decade-long wars. In 1955, Qian Xuesen, the world-class rocketry scientist, returned to China from the United States. In 1956, Qian submitted a proposal for the development of China's missile program, which was approved in just a few months. On October 8, China's first missile research institute, the Fifth Research Academy under the Ministry of National Defense, was established with less than 200 staff, most of which were recruited by Qian. The event was later recognized as the birth of China's space program.[15]

To fully utilize all available resources, China kick-started its missile development by manufacturing a licensed copy of two Soviet R-2 missiles, which were secretly shipped to China in December 1957 as part of the cooperative technology transfer program between the Soviet Union and China. The Chinese version of the missile was given a code name "1059" with the expectation of being launched in 1959. But the target date was soon postponed due to various technical difficulties.[16] Meanwhile, China started constructing its first missile test site in the Gobi desert of Inner Mongolia, which later became the famous Jiuquan Satellite Launch Center, China's first spaceport.

After the launch of mankind's first artificial satellite, Sputnik 1, by the Soviet Union on October 4, 1957, Mao Zedong decided during the National Congress of the Chinese Communist Party on May 17, 1958, to make China an equal with the superpowers (Chinese: "我们也要搞人造卫星"; lit. 'We too need satellites'), by adopting Project 581 with the objective of placing a satellite in orbit by 1959 to celebrate the 10th anniversary of the PRC's founding.[17] This goal was soon proven to be unrealistic and later adjusted to the development of sounding rockets first.

Mao Zedong inspecting a T-7M rocket after its successful launch.
Mao Zedong inspecting a T-7M rocket after its successful launch.

The first achievement of the program was the launch of T-7M, a sounding rocket that eventually reached the height of 8 km on February 19, 1960. It was the first rocket developed by Chinese engineers.[18] The success was praised by Mao Zedong as a good beginning of an indigenous Chinese rocket development.[19] However, due to ideological differences in Marxism, the friendly relationship between the Soviet Union and China soon turned to confrontation. As a consequence, all Soviet technological assistance was abruptly withdrawn after the 1960 Sino-Soviet split, and Chinese scientists continued on the program with extremely limited resources and knowledge.[20] It was under this harsh condition that China successfully launched the first "missile 1059", fueled by alcohol and liquid oxygen, on December 5, 1960, marking a successful imitation of Soviet missile. The missile 1059 was later renamed as Dongfeng-1 (DF-1, 东风一号).[16]

Dongfeng-2 missile
Dongfeng-2 missile

While the imitation of Soviet missile was still in progress, the Fifth Academy lead by Qian had begun the development of Dongfeng-2 (DF-2), the first missile designed and built completed by the Chinese. After a failed attempt in March 1962, multiple improvements, and hundreds of engine firing tests, DF-2 achieved its first successful launch on its second attempt on Jun 29, 1964 in Jiuquan. It was considered as a major milestone in China's indigenous missile development history.[21]

In the next few years, Dongfeng-2 conducted seven more launches, all ended in success. On October 27, 1966, as part of the "Two Bombs, One Satellite" project, Dongfeng-2A, an improved version of DF-2, successfully launched and denotated a nuclear warhead at its target.[22] As China's missile industry matures, a new plan of developing carrier rockets and launching satellites was proposed and approved in 1965 with the name Project 581 changed to Project 651.[23] On January 30, 1970, China successfully tested the newly developed two-stage Dongfeng-4 (DF-4) missile, which demonstrated critical technologies like rocket staging, engine in-flight ignition, attitude control.[24] The DF-4 was used to develop the Long March 1 (LM-1 or CZ-1, 长征一号), with a newly designed spin-up orbital insertion solid-propellant rocket motor third stage added to the two existing Nitric acid/UDMH liquid propellant stages.

Dong Fang Hong I - Chinese first satellite (1970)

On April 24, 1970, China successfully launched the 173 kg Dong Fang Hong I (东方红一号, meaning The East Is Red I) atop a Long March 1 (CZ-1, 长征一号) rocket from Jiuquan Satellite Launch Center. It was the heaviest first satellite placed into orbit by a nation, exceeding the combined masses of the first satellites of the other four previous countries. The third stage of the Long March 1 was specially equipped with a 40 m2 solar reflector (观察球) deployed by the centrifugal force developed by the spin-up orbital insertion solid propellant stage.[25] Therefore, the faint magnitude 5 to 8 brightness of the DFH-1 made the satellite (at best) barely visible with naked eyes was consequently dramatically increased to a comfortable magnitude 2 to 3. China's second satellite was launched with the last Long March 1 on March 3, 1971. The 221 kg ShiJian-1 (SJ-1) was equipped with a magnetometer and cosmic-ray/x-ray detectors.

In addition to satellite launch, China also made small progress in human spaceflight. The first successful launch and recovery of a T-7A(S1) sounding rocket carrying a biological experiment (transporting eight white mice) was on July 19, 1964, from Base 603 (六〇三基地).[26] As the space race between the two superpowers reached its climax with the conquest of the Moon, Mao and Zhou Enlai decided on July 14, 1967, that China should not be left behind, and started China's own crewed space program.[27] China's first spacecraft designed for human occupancy was named Shuguang-1 (曙光一号) in January 1968.[28] China's Space Medical Institute (航天医学工程研究所) was founded on April 1, 1968, and the Central Military Commission issued the order to start the selection of astronauts. The first crewed space program, known as Project 714, was officially adopted in April 1971 with the goal of sending two astronauts into space by 1973 aboard the Shuguang spacecraft. The first screening process for astronauts had already ended on March 15, 1971, with 19 astronauts chosen. Yet the program was soon canceled in the same year due to political turmoil, ending China's first human spaceflight attempt.

Early model of DF-5 ICBM.
Early model of DF-5 ICBM.

While CZ-1 was being developed, the development of China's first long-range intercontinental ballistic missile, namely Dongfeng-5 (DF-5), has started since 1965. The first test flight of DF-5 was conducted in 1971. After that, its technology was adopted by two different models of Chinese medium-lift launch vehicles being developed. One of the two was Feng Bao 1 (FB-1, 风暴一号) developed by Shanghai's 2nd Bureau of Mechanic-Electrical Industry, the predecessor of Shanghai Academy of Spaceflight Technology (SAST). The other parallel medium-lift LV program, also based on the same DF-5 ICBM and known as Long March 2 (CZ-2, 长征二号), was started in Beijing by the First Research Academy of the Seventh Ministry of Machine Building, which later became China Academy of Launch Vehicle Technology (CALT). Both FB-1 and CZ-2 were fueled by N2O4 and UDMH, the same propellant used by DF-5.[29]

On July 26, 1975, FB-1 made its first successful flight, placing the 1107-kilogram Changkong-1 satellite into orbit. It was the first time that China launched a payload heavier than 1 metric ton.[29] Four months later, on November 26, CZ-2 successfully launched the FSW-0 No.1 recoverable satellite into orbit. The satellite returned back to earth and was successfully recovered three days later, making China the third country capable of recovering a satellite, after the Soviet Union and the United States.[30] FB-1 and CZ-2, which were developed by two different institutes, were later evolved into two different branches of the classic Long March rocket family: Long March 4 and Long March 2.

As part of the "third line" effort to relocate critical defense infrastructure to the relatively remote interior (away from the Soviet border), it was decided to construct a new space center in the mountainous region of Xichang in the Sichuan province, code-named Base 27. After expansion, the Northern Missile Test Site was upgraded as a test base in January 1976 to become the Northern Missile Test Base (华北导弹试验基地) known as Base 25.

New era (late 1970s to 1980s)

After Mao died on September 9, 1976, his rival, Deng Xiaoping, denounced during the Cultural Revolution as reactionary and therefore forced to retire from all his offices, slowly re-emerged as China's new leader in 1978. At first, the new development was slowed. Then, several key projects deemed unnecessary were simply cancelled—the Fanji ABM system, the Xianfeng Anti-Missile Super Gun, the ICBM Early Warning Network 7010 Tracking Radar and the land-based high-power anti-missile laser program. Nevertheless, some development did proceed. The first Yuanwang-class space tracking ship was commissioned in 1979. The first full-range test of the DF-5 ICBM was conducted on May 18, 1980. The payload reached its target located 9300 km away in the South Pacific (7°0′S 117°33′E / 7.000°S 117.550°E / -7.000; 117.550 (DF-5 ICBM test impact)) [dubiousdiscuss] and retrieved five minutes later by helicopter.[31] In 1982, Long March 2C (CZ-2C, 长征二号丙), an upgraded version of Long March 2 based on DF-5 with 2500 kg low earth orbit (LEO) payload capacity, completed its maiden flight. Long March 2C, along with many of its derived models, eventually became the backbone of Chinese space program in the following decades.

As China changing its direction from political activities to economy development since late 1970s, the demand for communications satellites surged. As a result, the Chinese communications satellite program, code name Project 331, was started on March 31, 1975. The first generation of China's own communication satellites was named Dong Fang Hong 2 (DFH-2, 东方红二号), whose development was led by the famous satellite expert Sun Jiadong.[32] Since communications satellites works in the geostationary orbit much higher than what the existing carrier rockets could reach, the launching of communications satellites became the next big challenge for the Chinese space program.

Xichang Satellite Launch Center
Xichang Satellite Launch Center

The task was assigned to Long March 3 (CZ-3, 长征三号), the most advanced Chinese launch vehicle in the 1980s. Long March 3 was a derivative of Long March 2C with an additional third stage, designed to send payloads to geosynchronous transfer orbit (GTO). When the development of Long March 3 began in the early 1970s, the engineers had to make a choice between the two options for the third stage engine: either the traditional engine fueled by the same hypergolic fuels used by the first two stages, or the advanced cryogenic engine fueled by liquid hydrogen and liquid oxygen. Although the cryogenic engine plan was much more challenging than the other one, it was eventually chosen by Chief Designer Ren Xinmin, who had foreseen the great potential of its use for the Chinese space program in the coming future. The development of cryogenic engine with in-flight re-ignition capability began in 1976 and wasn't completed until 1983.[33] At the same time, Xichang Satellite Launch Center was chosen as the launch site of Long March 3 due to its low latitude, which provides better GTO launch capability.

On January 29, 1984, Long March 3 performed its maiden flight from Xichang, carrying the first experimental DFH-2 satellite. Unfortunately, because of the cryogenic third-stage engine failed to re-ignite during flight, the satellite was placed into a 400 km LEO instead of its intended GTO. Despite the rocket failure, the engineers managed to send the satellite into an elliptic orbit with an apoapsis of 6480 km using the satellite's own propulsion system. A series of tests were then conducted to verify the performance the satellite.[32] Thanks to the hard work by the engineers, the cause of the cryogenic engine failure was located quickly, followed by improvements applied on the second rocket awaiting launch.[33]

On April 8, 1984, less than 70 days after the first failure, Long March 3 launched again from Xichang. It successfully inserted the second experimental DFH-2 satellite into target GTO on its second attempt. The satellite reached the final orbit location on April 16 and was handed over to the user on May 14, becoming China's first geostationary communications satellite.[34] The success made China the fifth country in the world with independent geostationary satellite development and launch capability.[33] Less than two years later, on February 1 1986, the first practical DFH-2 communications satellite was launched into orbit atop a Long March 3 rocket, ending China's reliance on foreign communications satellite.[34]

During the 1980s, human spaceflights in the world became significantly more active than before as the American Space Shuttle and Soviet space stations were put in service respectively. It was in the same period that the previously canceled Chinese human spaceflight program was quietly revived again. In March 1986, Project 863 was proposed by four scientists Wang Daheng, Wang Ganchang, Yang Jiachi, and Chen Fangyun. The goal of the project was to stimulate the development of advanced technologies, including human spaceflight. Followed by the approval of Project 863, the early study of Chinese human spaceflight program in the new era had begun.[35]

The rise and fall of commercial launches (1990s)

The launch of Long March 3B Rocket in 1997

After the initial success of Long March 3, further development of the Long March rocket series allowed China to announce a commercial launch program for international customers in 1985, which opened up a decade of commercial launches with Chinese launch vehicles. [36] The launch service was provided by China Great Wall Industry Corporation (CGWIC) with support from CALT, SAST and China Satellite Launch and Tracking Control General (CLTC).[37] The first contract was signed with AsiaSat in January 1989 to launch AsiaSat 1, a communications satellite manufactured by Hughes. It was previously a satellite owned by Westar but placed into a wrong orbit due to kick motor malfunction before being recovered in the STS-51-A mission in 1984.

On April 7, 1990, a Long March 3 rocket successfully launched AsiaSat 1 into target geosynchronous transfer orbit with high precision, fulfilling the contract. As its very first commercial launch ended in full success, the Chinese commercial launch program was introduced to the world with a good opening.[38]

Although Long March 3 completed its first commercial mission as expected, its 1,500 kg payload capability was not capable of placing the new generation of communication satellites, which were usually over 2,500 kg, into geostationary transfer orbit. To deal with the problem, China introduced Long March 2E (CZ-2E, 长征二号E), the first Chinese rocket with strap-on boosters that can place up to 3,000 kg payload into GTO. The development of Long March 2E began in November 1988 when CGWIC was awarded the contract of launching two Optus satellites by Hughes mostly due to its low price. At that time, neither the rocket nor the launch facility was anything more than concepts on paper. Yet the engineers of CALT eventually built all the hardware from scratch in a record-breaking period of 18 months, which impressed the American experts.[39] On September 16, 1990, Long March 2E, carrying a Optus mass simulator, conducted its test flight and reached intended orbit as designed. The success of the test flight was a huge inspiration for all parties involved and brought optimism about the coming launch of actual Optus satellites.[40]

However, accident occurred during this highly anticipated launch on March 22, 1992 at Xichang Satellite Launch Center. After initial ignition, all engines shut down unexpectedly. The rocket was unable to lift off, resulting in a launch abort while being live-streamed to the world.[41] The post-launch investigation revealed that some minor aluminum scraps caused a shortage in the control circuit, triggering an emergency shutdown of all engines. Although the huge vibration brought by the short-lived ignition had lead to a rotation of the whole rocket by 1.5 degree clockwise and partial displacement of the supporting blocks, the rocket filled with propellant was still standing on the launch pad when the dust settled. After a rescue mission that lasted for 39 hours, the payload, rocket, and launch facilities were all preserved intact, avoiding huge losses. Less than five months later, on August 14, a new Long March 2E rocket successfully lifted off from Xichang, sending the Optus satellite into orbit.[42] The Chinese space program achieved a tremendous success after a frightening experience that never seen before.

In June 1993, the China Aerospace Corporation was founded in Beijing. It was also granted the title of China National Space Administration (CNSA).[43] A improved version of Long March 3, namely Long March 3A with 2,600 kg payload capacity to GTO, was put into service in 1994. However, on February 15, 1996, during the first flight of the further improved Long March 3B rocket carrying Intelsat 708, the rocket veered off course immediately after clearing the launch platform, crashing 22 seconds later. The crash killed 6 people and injured 57, making it the most disastrous event in the history of Chinese space program.[44][45] Although the Long March 3 rocket successfully launched APStar 1A communication satellites on July 3, it came across a third stage re-ignition malfunction during the launch of ChinaSat 7 on August 18, resulting in another launch failure.[46][47]

The two launch failures within a few months dealt a severe blow to the reputation of the Long March rockets. The Chinese commercial launch service were facing canceled orders, refusal of insurance, or highly increased insurance premium.[47] Under such a harsh circumstance, the Chinese space industry initiated full-scale quality improving activities. A closed-loop quality management system was established to fix quality issues in both the technical and administrative aspects.[45][48] The strict quality management system remarkably increased the success rate ever since. Within the next 15 years, from October 20, 1996 up until August 16, 2011, China had achieved 102 consecutive successful space launches.[49] On August 20, 1997, Long March 3B accomplished its first successful flight on its second attempt, placing the 3,770 kg Agila-2 communications satellite into orbit. It offered a GTO payload capacity as high as 5,000 kg capable of putting different kinds of heavy satellites available on the international market into orbit.[50] Ever since then, Long March 3B had become the backbone of China's mid to high earth orbit launches and been granted the title of most powerful rocket in China for nearly 20 years. In 1998, the administrative branch of China Aerospace Corporation was split and then merged into the newly founded Commission for Science, Technology and Industry for National Defense while retaining the title of CNSA. The remaining part was split again into China Aerospace Science and Technology Corporation (CASC) and China Aerospace Science and Industry Corporation (CASIC) in 1999.[43]

While the Long March rockets were trying to take back the commercial launch market it lose, the political suppression from the United States approached. In 1998, the United States accused Hughes and Loral Space & Communications of exporting technologies that inadvertently helped China's ballistic missile program while dealing with Long March rocket launch failures. The accusation eventually led to the release of Cox Report, which further accused China of stealing sensitive technologies. In the next year, the U.S. Congress passed the act that put commercial satellites into the list restricted by International Traffic in Arms Regulations (ITAR) and prohibited launches of satellites containing U.S. made components onboard Chinese rockets.[51][52] The regulation abruptly killed the commercial cooperation between China and the United States. The two Iridum satellites launched by Long March 2C on June 12, 1999 became the last batch of American satellites launched by Chinese rocket.[53] Furthermore, due to the strict regulation applied and the U.S. dominance in space industry, the Long March rockets had been de facto excluded from the international commercial launch market, causing a stagnation of the Chinese commercial launch program in the next few years.[51]

The human spaceflight launch site in Jiuquan was completed in 1998.
The human spaceflight launch site in Jiuquan was completed in 1998.

Despite the turmoil of commercial launches , the Chinese space program still made a huge breakthrough near the end of the decade. At 6:30 (China Standard Time) on November 20, 1999, Shenzhou 1, the first uncrewed Shenzhou spacecraft designed for human spaceflight, was successfully launched atop a Long March 2F rocket from Jiuquan Satellite Launch Center. The spacecraft was inserted into low earth orbit 10 minutes after lift off. After orbiting the Earth for 14 rounds, the spacecraft started the return procedure as planned and landed safely in Inner Mongolia at 03:41 on November 21, marking the full success of China's first Shenzhou test flight. Following the announcement of the success of the mission, the previously secretive Chinese human spaceflight program, namely the China Manned Space Program (CMS), was formally made public. CMS, which was formally approved on September 21, 1992, by the Standing Committee of Politburo as Project 921, has been the most ambitious space program of China since its birth.[54] Its goals can be described as "Three Steps": Crewed spacecraft launch and return; Space laboratory with short-term duration; Long-term modular space station.[55] Due to its complex nature, a series of advanced projects were introduced by the program, including Shenzhou spacecraft, Long March 2F rocket, human spaceflight launch site in Jiuquan, Beijing Aerospace Flight Control Center, and Astronaut Center of China in Beijing. In terms of astronauts, fourteen candidates were selected to form the People's Liberation Army Astronaut Corps and started accepting spaceflight training. As the completion and reveal of Shenzhou 1 mission, China officially commenced the open challenge to the human spaceflight milestone long dominated by the Soviet/Russia and the United States in the past four decades as 21st century approached.

21st century

Long March 2D lifting off in 2012
Chinese EVA spacesuit "Feitian".
Return capsule carrying lunar sample back to China Academy of Space Technology after successful completion of Chang'e 5 mission.
Return capsule carrying lunar sample back to CAST after successful completion of Chang'e 5 mission.

Since the beginning of 21st century, China has been experiencing rapid economic growth, which led to higher investment into space programs and multiple major achievements in the following decades. The first satellite of BeiDou-1, the experimental regional navigation system of China, was launched on October 31, 2000, as China began to built its own satellite navigation system as an alternative to GPS.

In the early 2000s, the Chinese crewed space program continued to engage with Russia in technological exchanges regarding the development of a docking mechanism used for space stations.[56] Deputy Chief Designer, Huang Weifen, stated that near the end of 2009, China Manned Space Agency began to train astronauts on how to dock spacecraft.[57]

On October 15, 2003, astronaut Yang Liwei was put into space aboard Shenzhou 5 spacecraft by a Long March 2F rocket for more than 21 hours. China became the third country capable of conducting independent human spaceflight.

Around the same time, China began preparation for extraterrestrial exploration, starting with the Moon. The Chinese Moon orbiting program was approved in January 2004[58] and was later transformed into Chinese Lunar Exploration Program. The first lunar orbiter Chang'e 1 was successfully launched on October 24, 2007, and was inserted into Moon orbit on November 7, making China the fifth nation to successfully orbit the Moon.

In March 2008, CNSA, along with the Commission for Science, Technology and Industry for National Defense, was merged into the newly formed Ministry of Industry and Information Technology.

On 27 September 2008, two crew members of the Shenzhou 7 carried out China's first EVA. Three years later, on 29 September 2011, China launched Tiangong-1, the first prototype of a Chinese space station module. The following Shenzhou 8, Shenzhou 9 and Shenzhou 10 missions proved that China had developed critical human spaceflight capabilities like space docking and berthing.

China began its first interplanetary exploration attempt in 2011 by sending Yinghuo-1, a Mars orbiter, in a joint mission with Russia. Yet it failed to leave Earth orbit due to the failure of the Russian launch vehicle.[59] China then turned its focus back to the Moon by attempting the challenging lunar soft landing. On 14 December 2013, China successfully landed Chang'e 3 Moon lander and its rover Yutu on the Moon surface. It made China the third country in the world capable of performing a lunar soft landing, just after USSR and the United States.

In 2016, Tiangong-2 and Shenzhou 11 were launched into Low Earth orbit. A 33-day crewed spaceflight mission proved that China was ready for a long-term space station built and maintained on its own.

In 2018, China performed more orbital launches than any other country on the planet for the first time in history.[60]

On 3 January 2019, Chang'e 4 conducted the first-ever soft landing on the far side of the Moon by any country, followed by 2020's Chang'e 5, a complex and successful lunar sample return mission, marking the completion of the three goals (orbiting, landing, returning) of the first stage of the lunar exploration program.

On 23 June 2020, the final satellite of Beidou was successfully launched by a Long March 3B rocket.[61] On July 31, 2020, Chinese leader Xi Jinping formally announced the commissioning of BeiDou Navigation Satellite System.[62]

On 29 April 2021, Tianhe, the 22-tonne core module of Tiangong space station, was successfully launched into Low Earth orbit by a Long March 5B rocket,[63] indicating the beginning of the construction of the Chinese Space Station.

Ever since the failure of Yinghuo-1, the Chinese space agency had embarked on its independent Mars mission. On July 23, 2020, China launched Tianwen-1, which included an orbiter, a lander, and a rover, on a Long March 5 rocket to Mars.[64] The Tianwen-1 was inserted into Mars orbit in February 2021 after a six-month journey, followed by a successful soft landing of the lander and Zhurong rover on May 14, 2021,[65] making China the third nation to both land softly on and establish communication from the Martian surface, after the Soviet Union and the United States.

On April 24, 2022, a rocket was launched on high altitude zero-pressure helium balloon from Lenghu in the northwest China's Qinghai Province,[66] which saves fuel and reduces overall costs.

Chinese space program and the international community

Dual-use technologies and outer space

The PRC is a member of the United Nations Committee on the Peaceful Uses of Outer Space and a signatory to all United Nations treaties and conventions on space, with the exception of the 1979 Moon Treaty.[67] The United States government has long been resistant to the use of PRC launch services by American industry due to concerns over alleged civilian technology transfer that could have dual-use military applications to countries such as North Korea, Iran or Syria. Thus, financial retaliatory measures have been taken on many occasions against several Chinese space companies.[68]

NASA's policy excluding Chinese state affiliates

Due to security concerns, all researchers from the U.S. National Aeronautics and Space Administration (NASA) are prohibited from working with Chinese citizens affiliated with a Chinese state enterprise or entity.[69] In April 2011, the 112th United States Congress banned NASA from using its funds to host Chinese visitors at NASA facilities.[70] In March 2013, the U.S. Congress passed legislation barring Chinese nationals from entering NASA facilities without a waiver from NASA.[69]

The history of the U.S. exclusion policy can be traced back to allegations by a 1998 U.S. Congressional Commission that the technical information that American companies provided China for its commercial satellite ended up improving Chinese intercontinental ballistic missile technology.[71] This was further aggravated in 2007 when China blew up a defunct meteorological satellite in low Earth orbit to test a ground-based anti-satellite (ASAT) missile. The debris created by the explosion contributed to the space junk that litter Earth's orbit, exposing other nations' space assets to the risk of accidental collision.[71] The United States also fears the Chinese application of dual-use space technology for nefarious purposes.[72] The U.S. imposed an embargo to the U.S. - China space cooperation throughout the 2000s and by 2011, a clause inserted by then-Congressman Frank Wolf in the 2011 U.S. federal budget forbids NASA from hosting or participating in a joint scientific activity with China.

The Chinese response to the exclusion policy involved its own space policy of opening up its space station to the outside world, welcoming scientists coming from all countries.[72] American scientists have also boycotted NASA conferences due to its rejection of Chinese nationals in these events.[73]

Organization

Initially, the space program of the PRC was organized under the People's Liberation Army, particularly the Second Artillery Corps (now the PLA Rocket Force, PLARF). In the 1990s, the PRC reorganized the space program as part of a general reorganization of the defense industry to make it resemble Western defense procurement.

The China National Space Administration, an agency within the Commission of Science, Technology and Industry for National Defense currently headed by Zhang Kejian, is now responsible for launches. The Long March rocket is produced by the China Academy of Launch Vehicle Technology, and satellites are produced by the China Aerospace Science and Technology Corporation. The latter organizations are state-owned enterprises; however, it is the intent of the PRC government that they should not be actively state-managed and that they should behave as independent design bureaus.

Universities and institutes

The space program also has close links with:

Space cities

Suborbital launch sites

  • Nanhui (南汇县老港镇东进村) First successful launch of a T-7M sounding rocket on February 19, 1960.[78]
  • Base 603 (安徽广德誓节渡中国科学院六〇三基地) Also known as Guangde Launch Site (广德发射场).[79] The first successful flight of a biological experimental sounding rocket transporting eight white mice was launched and recovered on July 19, 1964.[80]

Satellite launch centers

The PRC operates 4 satellite launch centers/sites:

Monitoring and control centers

Domestic tracking stations

  • New integrated land-based space monitoring and control network stations, forming a large triangle with Kashi in the north-west of China, Jiamusi in the north-east and Sanya in the south.[85]
  • Weinan Station
  • Changchun Station
  • Qingdao Station
  • Zhanyi Station
  • Nanhai Station
  • Tianshan Station
  • Xiamen Station
  • Lushan Station
  • Jiamusi Station
  • Dongfeng Station
  • Hetian Station

Overseas tracking stations

Plus shared space tracking facilities with France, Brazil, Sweden, and Australia.

Crewed landing sites

Notable spaceflight programs

Project 714

As the Space Race between the two superpowers reached its climax with humans landing on the Moon, Mao Zedong and Zhou Enlai decided on July 14, 1967, that the PRC should not be left behind, and therefore initiated China's own crewed space program. The top-secret Project 714 aimed to put two people into space by 1973 with the Shuguang spacecraft. Nineteen PLAAF pilots were selected for this goal in March 1971. The Shuguang-1 spacecraft to be launched with the CZ-2A rocket was designed to carry a crew of two. The program was officially cancelled on May 13, 1972, for economic reasons, though the internal politics of the Cultural Revolution likely motivated the closure.

The short-lived second crewed program was based on the successful implementation of landing technology (third in the World after USSR and United States) by FSW satellites. It was announced a few times in 1978 with the open publishing of some details including photos, but then was abruptly canceled in 1980. It has been argued that the second crewed program was created solely for propaganda purposes, and was never intended to produce results.[88]

Project 863

A new crewed space program was proposed by the Chinese Academy of Sciences in March 1986, as Astronautics plan 863-2. This consisted of a crewed spacecraft (Project 863–204) used to ferry astronaut crews to a space station (Project 863–205). In September of that year, astronauts in training were presented by the Chinese media. The various proposed crewed spacecraft were mostly spaceplanes. Project 863 ultimately evolved into the 1992 Project 921.

China Manned Space Program (Project 921)

Spacecraft

Shenzhou 7 re-entry module
A model of Shenzhou spacecraft

In 1992, authorization and funding were given for the first phase of Project 921, which was a plan to launch a crewed spacecraft. The Shenzhou program had four uncrewed test flights and two crewed missions. The first one was Shenzhou 1 on November 20, 1999. On January 9, 2001 Shenzhou 2 launched carrying test animals. Shenzhou 3 and Shenzhou 4 were launched in 2002, carrying test dummies. Following these was the successful Shenzhou 5, China's first crewed mission in space on October 15, 2003, which carried Yang Liwei in orbit for 21 hours and made China the third nation to launch a human into orbit. Shenzhou 6 followed two years later ending the first phase of Project 921. Missions are launched on the Long March 2F rocket from the Jiuquan Satellite Launch Center. The China Manned Space Agency (CMSA) provides engineering and administrative support for the crewed Shenzhou missions.[89]

Space laboratory

The second phase of the Project 921 started with Shenzhou 7, China's first spacewalk mission. Then, two crewed missions were planned to the first Chinese space laboratory. The PRC initially designed the Shenzhou spacecraft with docking technologies imported from Russia, therefore compatible with the International Space Station (ISS). On September 29, 2011, China launched Tiangong 1. This target module is intended to be the first step to testing the technology required for a planned space station.

On October 31, 2011, a Long March 2F rocket lifted the Shenzhou 8 uncrewed spacecraft which docked twice with the Tiangong 1 module. The Shenzhou 9 craft took off on 16 June 2012 with a crew of 3. It successfully docked with the Tiangong-1 laboratory on 18 June 2012, at 06:07 UTC, marking China's first crewed spacecraft docking.[90] Another crewed mission, Shenzhou 10, launched on 11 June 2013. The Tiangong 1 target module is then expected to be deorbited.[91]

A second space lab, Tiangong 2, launched on 15 September 2016, 22:04:09 (UTC+8).[92] The launch mass was 8,600 kg, with a length of 10.4m and a width of 3.35m, much like the Tiangong 1.[93] Shenzhou 11 launched and rendezvoused with Tiangong 2 in October 2016, with an unconfirmed further mission Shenzhou 12 in the future. The Tiangong 2 brings with it the POLAR gamma ray burst detector, a space-Earth quantum key distribution, and laser communications experiment to be used in conjunction with the Mozi 'Quantum Science Satellite', a liquid bridge thermocapillary convection experiment, and a space material experiment. Also included is a stereoscopic microwave altimeter, a space plant growth experiment, and a multi-angle wide-spectral imager and multi-spectral limb imaging spectrometer. Onboard TG-2 there will also be the world's first-ever in-space cold atomic fountain clock.[93]

Space station

A larger basic permanent space station (基本型空间站) would be the third and last phase of Project 921. This will be a modular design with an eventual weight of around 60 tons, to be completed sometime before 2022. The first section, designated Tiangong 3, was scheduled for launch after Tiangong 2,[94] but ultimately not ordered after its goals were merged with Tiangong 2.[95]

This could also be the beginning of China's crewed international cooperation, the existence of which was officially disclosed for the first time after the launch of Shenzhou 7.[96]

The first module of Tiangong space station, Tianhe core module, was launched on 29 April 2021, from Wenchang Space Launch Site.[63] It was first visited by Shenzhou 12 crew on 17 June 2021. The Chinese space station is scheduled to be completed in 2022[97] and fully operational by 2023.

Lunar exploration

Annotated image of the approximate landing site of the Chinese Chang'e-3 lander. It was launched at 17:30 UTC on 1 December 2013 and reached the Moon's surface on 14 December 2013. The lunar coordinates are: 44.12°N 19.51°W.

In January 2004, the PRC formally started the implementation phase of its uncrewed Moon exploration project. According to Sun Laiyan, administrator of the China National Space Administration, the project will involve three phases: orbiting the Moon; landing; and returning samples. The first phase planned to spend 1.4 billion renminbi (approx. US$170 million) to orbit a satellite around the Moon before 2007, which is ongoing. Phase two involves sending a lander before 2010. Phase three involves collecting lunar soil samples before 2020.

On November 27, 2005, the deputy commander of the crewed spaceflight program announced that the PRC planned to complete a space station and a crewed mission to the Moon by 2020, assuming funding was approved by the government.

On December 14, 2005, it was reported "an effort to launch lunar orbiting satellites will be supplanted in 2007 by a program aimed at accomplishing an uncrewed lunar landing. A program to return uncrewed space vehicles from the Moon will begin in 2012 and last for five years, until the crewed program gets underway" in 2017, with a crewed Moon landing planned after that.[98]

Nonetheless, the decision to develop a totally new Moon rocket in the 1962 Soviet UR-700M-class (Project Aelita) able to launch a 500-ton payload in LTO[dubiousdiscuss] and a more modest 50 tons LTO payload LV has been discussed in a 2006 conference by academician Zhang Guitian (张贵田), a liquid propellant rocket engine specialist, who developed the CZ-2 and CZ-4A rockets engines.[99][100][101]

On June 22, 2006, Long Lehao, deputy chief architect of the lunar probe project, laid out a schedule for China's lunar exploration. He set 2024 as the date of China's first moonwalk.[102]

In September 2010, it was announced that the country is planning to carry out explorations in deep space by sending a man to the Moon by 2025. China also hoped to bring a Moon rock sample back to Earth in 2017, and subsequently build an observatory on the Moon's surface. Ye Peijian, Commander in Chief of the Chang'e program and an academic at the Chinese Academy of Sciences, added that China has the "full capacity to accomplish Mars exploration by 2013."[103][104]

On December 14, 2013[105] China's Chang'e 3 became the first object to soft-land on the Moon since Luna 24 in 1976.[106]

On 20 May 2018, several months before the Chang'e 4 mission, the Queqiao was launched from Xichang Satellite Launch Center in China, on a Long March 4C rocket.[107] The spacecraft took 24 days to reach L2, using a gravity assist at the Moon to save propellant.[108] On 14 June 2018, Queqiao finished its final adjustment burn and entered the mission orbit, about 65,000 kilometres (40,000 mi) from the Moon. This is the first lunar relay satellite ever placed in this location.[108]

On January 3, 2019, Chang'e 4, the China National Space Administration's lunar rover, made the first-ever soft landing on the Moon's far side. The rover was able to transmit data back to Earth despite the lack of radio frequencies on the far side, via a dedicated satellite sent earlier to orbit the Moon. Landing and data transmission are considered landmark achievements for human space exploration.[109]

As indicated by the official Chinese Lunar Exploration Program insignia, denoted by a calligraphic Moon ideogram () in the shape of a nascent lunar crescent, with two human footsteps at its center, the ultimate objective of the program is to establish a permanent human presence on the Earth's natural satellite.

Yang Liwei declared at the 16th Human in Space Symposium of International Academy of Astronautics (IAA) in Beijing, on May 22, 2007, that building a lunar base was a crucial step to realize a flight to Mars and farther planets.[110]

According to practice, since the whole project is only at a very early preparatory research phase, no official crewed Moon program has been announced yet by the authorities. But its existence is nonetheless revealed by regular intentional leaks in the media.[111] A typical example is the Lunar Roving Vehicle (月球车) that was shown on a Chinese TV channel (东方卫视) during the 2008 May Day celebrations.

On 23 November 2020, China launched the new Moon mission Chang'e 5, which returned to Earth carrying lunar samples on 16 December 2020. Only two nations, the United States and the former Soviet Union have ever returned materials from the Moon, thus making China the third country to have ever achieved the feat.[112]

Mission to Mars and beyond

Zhurong over and lander captured by HiRISE from NASA's MRO on June 6, 2021
Zhurong rover and lander on Martian surface. Image captured by HiRISE from NASA's MRO on 6 June 2021

In 2006, the Chief Designer of the Shenzhou spacecraft stated in an interview that:

搞航天工程不是要达成升空之旅, 而是要让人可以正常在太空中工作, 为将来探索火星、土星等作好准备。 Space programs are not aimed at sending humans into space per se, but instead at enabling humans to work normally in space, and prepare for the future exploration of Mars, Saturn, and beyond.

— CAS Academician Qi Faren[113]

Sun Laiyan, administrator of the China National Space Administration, said on July 20, 2006, that China would start deep space exploration focusing on Mars over the next five years, during the Eleventh Five-Year Plan (2006–2010) Program period.[114] In April 2020, the Planetary Exploration of China program was announced. The program aims to explore planets of the Solar System, starting with Mars, then expanded to include asteroids and comets, Jupiter and more in the future.[115]

The first mission of the program, Tianwen-1 Mars exploration mission, began on July 23, 2020. A spacecraft, which consisted of an orbiter, a lander, a rover, a remote and a deployable camera, was launched by a Long March 5 rocket from Wenchang.[64] The Tianwen-1 was inserted into Mars orbit in February 2021 after a seven-month journey, followed by a successful soft landing of the lander and Zhurong rover on May 14, 2021.[65]

Space-based solar power

According to the China Academy of Space Technology (CAST) presentation at the 2015 International Space Development Congress in Toronto, Canada, Chinese interest in space-based solar power began in the period 1990–1995. By 2011, there was a proposal for a national program, with advocates such as Pioneer Professor Wang Xiji stating in an article for the Ministry of Science and technology that "China had built up a solid industrial foundation, acquired sufficient technology and had enough money to carry out the most ambitious space project in history. Once completed, the solar station, with a capacity of 100MW, would span at least one square kilometre, dwarfing the International Space Station and becoming the biggest man-made object in space" and "warned that if it did not act quickly, China would let other countries, in particular the US and Japan, take the lead and occupy strategically important locations in space."[116] Global Security cites a 2011-01 Journal of Rocket propulsion that articulates the need for 620+ launches of their Long March 9 (CZ-9) heavy-lift system for the construction of an orbital solar power plant with 10,000 MW capacity massing 50,000 tonnes.[117]

By 2013, there was a national goal, that "the state has decided that power coming from outside of the earth, such as solar power and development of other space energy resources, is to be China's future direction" and the following roadmap was identified: "In 2010, CAST will finish the concept design; in 2020, we will finish the industrial level testing of in-orbit construction and wireless transmissions. In 2025, we will complete the first 100kW SPS demonstration at LEO; and in 2035, the 100MW SPS will have an electric generating capacity. Finally in 2050, the first commercial level SPS system will be in operation at GEO."[118] The article went on to state that "Since SPS development will be a huge project, it will be considered the equivalent of an Apollo program for energy. In the last century, America's leading position in science and technology worldwide was inextricably linked with technological advances associated with the implementation of the Apollo program. Likewise, as China's current achievements in aerospace technology are built upon with its successive generations of satellite projects in space, China will use its capabilities in space science to assure sustainable development of energy from space."[118]

In 2015, the CAST team won the International SunSat Design Competition with their video of a Multi-Rotary Joint concept.[119] The design was presented in detail in a paper for the Online Journal of Space Communication.[120][121]

In 2016, Lt Gen. Zhang Yulin, deputy chief of the PLA armament development department of the Central Military Commission, suggested that China would next begin to exploit Earth-Moon space for industrial development. The goal would be the construction of space-based solar power satellites that would beam energy back to Earth.[122]

In June 2021, Chinese officials confirmed the continuation of plans for a geostationary solar power station by 2050. The updated schedule anticipates a small-scale electricity generation test in 2022, followed by a megawatt-level orbital power station by 2030. The gigawatt-level geostationary station will require over 10,000 tonnes of infrastructure, delivered using over 100 Long March 9 launches.[123]

Goals

The China National Space Administration stated that their long-term goals are:

  • Improve their standing in the world of space science
  • Establish a crewed space station
  • Crewed missions to the Moon[124]
  • Establish a crewed lunar base[125]
  • Robotic mission to Mars
  • Exploit Earth-Moon space for industrial development.

List of launchers and projects

Launch vehicles

Active/Under Research

  • Air-Launched SLV able to place a 50 kilogram plus payload to 500 km SSO[126]
  • Kaituozhe-1 (开拓者一号) Solid fueled orbital launch vehicle based on the DF-21 missile with an extra upper stage, which is 4 stages in total.[127]
  • Kaituozhe-1A (开拓者一号甲)
  • Kaituozhe-1B (开拓者一号乙) with addition of two solid boosters[128]
  • Kaituozhe-2 (开拓者二号) A solid fueled orbital launch vehicle with a stage 1 based on the DF-31 missile, accompanied by the small stages 2 and 3.[129]
  • Kaituozhe-2A (开拓者一二甲) with addition of two DF-21 based boosters.
  • CZ-2E(A) Intended for launch of Chinese space station modules. Payload capacity up to 14 tons in LEO and 9000 (kN) liftoff thrust developed by 12 rocket engines, with enlarged fairing of 5.20 m in diameter and length of 12.39 m to accommodate large spacecraft[130]
  • CZ-2F/G Modified CZ-2F without escape tower, specially used for launching robotic missions such as Shenzhou cargo and space laboratory module with payload capacity up to 11.2 tons in LEO[131]
  • CZ-3B(A) More powerful Long March rockets using larger-size liquid propellant strap-on motors, with payload capacity up to 13 tons in LEO
  • CZ-3C Launch vehicle combining CZ-3B core with two boosters from CZ-2E
  • CZ-5 Second generation ELV with more efficient and nontoxic propellants (25 tonnes in LEO)
  • CZ-6 or Small Launch Vehicle, with short launch preparation period, low cost and high reliability, to meet the launch need of small satellites up to 500 kg to 700 km SSO, first flight for 2010; with Fan Ruixiang (范瑞祥) as Chief designer of the project[132][133][134]
  • CZ-7 used for Phase 4 of Lunar Exploration Program (嫦娥-4 工程), that is permanent base (月面驻留) expected for 2024; Second generation Heavy ELV for lunar and deep space trajectory injection (70 tonnes in LEO), capable of supporting a Soviet L1/L3-like lunar landing mission[135]
  • CZ-9 super heavy-lift launch vehicle.
  • CZ-11 small, quick-response launch vehicle.
  • Project 921-3 Reusable launch vehicle current project of the reusable shuttle system.
  • Tengyun another current project of two wing-staged reusable shuttle system.

Cancelled/Retired

  • CZ-1D based on a CZ-1 but with a new N2O4/UDMH second stage.
  • Project 869 reusable shuttle system with Tianjiao-1 or Chang Cheng-1 (Great Wall-1) orbiters. Project of 1980s-1990s.

Satellites and science mission

Space exploration

Crewed LEO Program

Chinese Lunar Exploration Program

Deep Space Exploration Program

China's first deep space probe, the Yinghuo-1 orbiter, was launched in November 2011 along with the joint Fobos-Grunt mission with Russia, but the rocket failed to leave Earth orbit and both probes underwent destructive re-entry on 15 January 2012.[citation needed] In 2018, Chinese researchers proposed a deep space exploration roadmap to explore Mars, an asteroid, Jupiter, and further targets, within the 2020–2030 timeframe.[147][148] Current and upcoming robotic missions include:

These missions, with the exception of the Uranus mission, have been officially approved or are in the study phase as of June 2017.[157]

Research

The Center for Space Science and Applied Research (CSSAR), was founded in 1987 by merging the former Institute of Space Physics (i.e. the Institute of Applied Geophysics founded in 1958) and the Center for Space Science and Technology (founded in 1978). The research fields of CSSAR mainly cover 1. Space Engineering Technology; 2. Space Weather Exploration, Research, and Forecasting; 3. Microwave Remote Sensing and Information Technology.

See also

References

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