Shiyan 21
Long March 11
China Aerospace Science and Technology Corporation
Mission
Shiyan 21
Type: Government/Top Secret
Chinese classified satellite of unknown purposes.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Unknown Pad
Xichang Satellite Launch Center, People’s Republic of China
187 rockets have launched from Xichang Satellite Launch Center, People’s Republic of China.

Rocket
Long March 11 – China Aerospace Science and Technology Corporation
- Family: Long March 11
- Length: 20 m
- Diameter: 2 m
- Launch Mass: 58 T
- Low Earth Orbit Capacity: 500 kg
The Long March 11 was manufactured by China Aerospace Science and Technology Corporation with the first launch on 2015-09-25. Long March 11 has 16 successful launches and 0 failed launches with a total of 16 launches.
Agency
China Aerospace Science and Technology Corporation – CASC
- Type: Government
- Abbreviation: CASC
- Administration: Chairman & President: Lei Fanpei
- Founded: 1999
- Launchers: Long March
- Country: CHN
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.