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Long March 4B

China Aerospace Science and Technology Corporation

Launch Status



Type: Earth Science

The Gaofen-11 satellite is believed to be a Earth-imaging satellite that Chinese state media claims, "can be used for land survey, urban planning, road network design, agriculture, and disaster relief".


Launch Complex 9

Taiyuan, People’s Republic of China

58 rockets have launched from Taiyuan, People’s Republic of China.

Launch Complex 9, Taiyuan, People's Republic of China


Long March 4B

Length: 44.1 meters
Diameter: 3.35 meters
First Launch: May 10, 1999

The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.

The Long March 4B rocket has been launched a total of 28 times with 27 successful and 1 failed launches.


China Aerospace Science and Technology Corporation

Type: Government
Abbreviation: CASC
Administration: Chairmen & 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.

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