Mars Global Remote Sensing Orbiter and Small Rover
|Mission type||Mars orbiter and rover|
|Mission duration||≥ 1 Earth year|
|Start of mission|
|Launch date||July/August 2020 (proposed)|
|Rocket||Long March 5|
|Launch site||Wenchang Spacecraft Launch Site|
|Orbital insertion||2021 (proposed)|
|Landing date||2021 (proposed)|
The Mars Global Remote Sensing Orbiter, Lander and Small Rover is a planned project by China to deploy a Mars orbiter, lander and rover on Mars. The mission is planned to be launched in July or August 2020 with a Long March 5 heavy lift rocket. Its stated objective is to search for evidence of both current and past life, and assessing the planet's environment.
China's Mars program started in 2009 in a partnership with Russia. However, the Russian spacecraft Fobos-Grunt carrying a Chinese orbiter Yinghuo-1 crashed on 15 January 2012, days after lift-off. After that, China started its own Mars project.
The spacecraft is being developed by the China Aerospace Science and Technology Corporation (CASC), and managed by the National Space Science Centre (NSSC) in Beijing. This Mars mission would be a demonstration of technology needed for a Mars sample return mission proposed for the 2030s. The lander carrying the rover will use a parachute, retrorockets, and an airbag to achieve landing.
The priorities of the mission include finding both current and previous life, and evaluating the planet's surface and environment. Solo and joint explorations of the Mars orbiter and rover will produce maps of the Martian surface topography, soil characteristics, material composition, water ice, atmosphere, ionosphere field, and other scientific data will be collected.
Simulated landings have been performed for the mission preparations by the Beijing Institute of Space Mechanics and Electricity.
The orbiter, lander and rover will carry in total 13 instruments, including: 
- Medium and high resolution cameras.
- Space particle detector
- Spectrometer, to look for methane in the atmosphere of Mars
- Space-based radar
- Ground-penetrating radar to image about 100 m (330 ft) below the Martian surface
- Radiation detector
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- The subsurface penetrating radar on the rover of China's Mars 2020 mission. B. Zhou, S. X. Shen, Y. C. Ji, etal. 2016 16th International Conference on Ground Penetrating Radar (GPR). 13-16 June 2016.
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