Long March 3B/YZ-1 | Beidou-3 M21 & M22

Long March 3B/YZ-1 | Beidou-3 M21 & M22

Launch Complex 2 (LC-2)
Xichang Satellite Launch Center, People's Republic of China













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China Aerospace Science and Technology Corporation

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.


Beidou-3 M21 & M22

These two satellites will be used to provide global navigation coverage as part of the Chinese Beidou (Compass) satellite navigation system.

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Long March 3B/YZ-1

Height 54.80 Meters

Max Stages 3

Mass To GTO 5100 kg

Liftoff Thrust 5923 kN

Diameter 3.35 Meters

Mass To LEO 11500 kg

Liftoff Mass 425 Tonnes

Launch Success 14

Consecutive Success 14

Maiden Flight 1996-02-14

Launch Failures 0




The BeiDou Navigation Satellite System is a satellite-based radio navigation system owned and operated by the China National Space Administration.[4] It is one of the global navigation satellite systems that provide geolocation and time information to a BDS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more BDS satellites.

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