1961 in spaceflight: Difference between revisions
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| 29 June<ref name=chronology>{{cite book |
| 29 June<ref name=chronology>{{cite book|url=http://ston.jsc.nasa.gov/collections/TRS/_techrep/TP-1999-208856.pdf |title=Orbital Debris: A Chronology |page=18 |publisher=[[Lyndon B. Johnson Space Center|NASA JSC]] |date=January 1999 |accessdate=13 February 2016 |quote=Two hours after separating from the U.S. Transit 4-A satellite, its Able Star upper stage becomes the first known artificial object to break up unintentionally in space. The cause of the explosion is unknown. The event produces at least 294 trackable pieces, more than tripling the number of known satellites of Earth. |deadurl=yes |archiveurl=https://web.archive.org/web/20000901071135/http://ston.jsc.nasa.gov/collections/TRS/_techrep/TP-1999-208856.pdf |archivedate=1 September 2000 |df= }}</ref> |
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| [[Thor-Able]] upper stage of [[Transit 4A]] navigation satellite |
| [[Thor-Able]] upper stage of [[Transit 4A]] navigation satellite |
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| Rocket explosion |
| Rocket explosion |
Revision as of 06:55, 15 June 2017
Orbital launches | |
---|---|
First | 31 January |
Last | 22 December |
Total | 50 |
Successes | 28 |
Failures | 20 |
Partial failures | 2 |
Catalogued | 36 |
National firsts | |
Spaceflight | Italy |
Space traveller | Soviet Union United States |
Rockets | |
Maiden flights | Atlas LV-3A Agena-B Kosmos-2I 63S1 Saturn I (suborbital test) |
Retirements | Atlas LV-3A Agena-A Juno II |
Crewed flights | |
Orbital | 2 |
Suborbital | 2 |
Total travellers | 4 |
Deep Space Rendezvous
Date (GMT) | Spacecraft | Event | Remarks |
---|---|---|---|
19 May | Venera 1 | First flyby of Venus | Spacecraft was already non-functional as communication had been lost en route, closest approach: 100,000 kilometres (62,000 mi) |
Notable creations of orbital debris
Date/Time (UTC) | Source object | Event type | Pieces tracked | Remarks |
---|---|---|---|---|
29 June[1] | Thor-Able upper stage of Transit 4A navigation satellite | Rocket explosion | 294[1] | First explosion of a rocket stage in orbit creating hundreds of debris pieces |
Orbital launch summary
By country
| ||||||
Orbital launch attempts by country in 1961 |
Country | Launches | Successes | Failures | Partial failures |
Remarks |
---|---|---|---|---|---|
Soviet Union | 9 | 5 | 4 | 0 | |
United States | 41 | 23 | 16 | 2 |
By rocket
Rocket | Country | Launches | Successes | Failures | Partial failures | Remarks |
---|---|---|---|---|---|---|
Atlas LV-3A Agena-A | United States | 1 | 1 | 0 | 0 | Retired |
Atlas LV-3A Agena-B | United States | 7 | 2 | 4 | 1 | Maiden flight |
Atlas LV-3B | United States | 3 | 2 | 1 | 0 | First orbital launch |
RM-90 Blue Scout II | United States | 1 | 0 | 1 | 0 | First orbital launch |
Juno II | United States | 3 | 1 | 2 | 0 | Retired |
Kosmos-2I 63S1 | Soviet Union | 2 | 0 | 2 | 0 | Maiden flight |
Molniya 8K78 | Soviet Union | 2 | 1 | 1 | 0 | |
Scout X-1 | United States | 3 | 1 | 2 | 0 | |
Thor DM-21 Ablestar | United States | 3 | 2 | 0 | 1 | |
Thor DM-21 Agena-B | United States | 17 | 11 | 6 | 0 | |
Thor DM-19 Delta | United States | 3 | 3 | 0 | 0 | |
Vostok-K 8K72K | Soviet Union | 5 | 4 | 1 | 0 |
By orbit
Orbital regime | Launches | Achieved | Not Achieved | Accidentally Achieved | Remarks |
---|---|---|---|---|---|
Low Earth | 41 | 28 | 13 | 3 | |
Medium Earth | 1 | 1 | 0 | 0 | |
High Earth | 6 | 2 | 4 | 0 | Including Highly elliptical orbits |
Heliocentric | 2 | 1 | 1 | 0 |
References
- Bergin, Chris. "NASASpaceFlight.com".
- Clark, Stephen. "Spaceflight Now".
- Kelso, T.S. "Satellite Catalog (SATCAT)". CelesTrak.[dead link]
- Krebs, Gunter. "Chronology of Space Launches".
- Kyle, Ed. "Space Launch Report". Archived from the original on 5 October 2009. Retrieved 13 August 2022.
- McDowell, Jonathan. "GCAT Orbital Launch Log".
- Pietrobon, Steven. "Steven Pietrobon's Space Archive".
- Wade, Mark. "Encyclopedia Astronautica".
- Webb, Brian. "Southwest Space Archive".
- Zak, Anatoly. "Russian Space Web".
- "ISS Calendar". Spaceflight 101.
- "NSSDCA Master Catalog". NASA Space Science Data Coordinated Archive. NASA Goddard Space Flight Center.
- "Space Calendar". NASA Jet Propulsion Laboratory.[dead link]
- "Space Information Center". JAXA.[dead link]
- "Хроника освоения космоса" [Chronicle of space exploration]. CosmoWorld (in Russian).
Footnotes
- ^ a b Orbital Debris: A Chronology (PDF). NASA JSC. January 1999. p. 18. Archived from the original (PDF) on 1 September 2000. Retrieved 13 February 2016.
Two hours after separating from the U.S. Transit 4-A satellite, its Able Star upper stage becomes the first known artificial object to break up unintentionally in space. The cause of the explosion is unknown. The event produces at least 294 trackable pieces, more than tripling the number of known satellites of Earth.
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