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Beidou I2-S



BD 3I (Beidou 3I) satellites are the IGSO component of the 3rd phase of the chinese Beidou (Compass) satellite navigation system, which, in contrast to GPS and GLONASS, uses both geostationary satellites and satellites in intermediate orbit. This series provides the satellites for the inclined geostationary (IGSO) constellation called "Compass-I".

Alternate Names

  • 40938
  • BD-3I
  • BeidouI2S

Facts in Brief

Launch Date: 2015-09-29
Launch Vehicle: Long March 3B
Launch Site: Xichang, Peoples Republic of China

Funding Agency

  • Unknown (Peoples Republic of China)


  • Navigation/Global Positioning

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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