Beidou DW21 (BD-3, Beidou 3M-3S)

Launch data:

Spacecraft data:

Description:

• BEIDOU M3-S is a new addition to China's Beidou navigation network. The Beidou spacecraft will test inter-satellite communications links with other members of the Chinese navigation constellation and support the system's growth from regional coverage over China to a global positioning provider. The newest satellite is the 21st payload to launch for the Beidou program, including demonstrators which are now retired from service.

External links:

• Satellite tracking: Real time satellite tracking