Satellite Compass M4 (Beidou 2-13) of Chinese Defense Ministry

Name of Satellite, Alternate Names Compass M4 (Beidou 2-13)
Country of Operator/Owner China (PR)
Operator/Owner Chinese Defense Ministry
Users Military
Purpose Navigation/Global Positioning
Class of Orbit MEO
Type of Orbit
Longitude of GEO (degrees) 0
Perigee (km) 21452
Apogee (km) 21603
Eccentricity 0.00270633569316247
Inclination (degrees) 55.1
Period (minutes) 773.21
Launch Mass (kg.) 2200
Dry Mass (kg.)
Power (watts)
Date of Launch 28-04-2012
Expected Lifetime 8 yrs.
Contractor Space Technology Research Institute (part of CASC)
Country of Contractor China (PR)
Launch Site Xichang Satellite Launch Center
Launch Vehicle Long March 3B
COSPAR Number 2012-018B
NORAD Number 38251
Comments Part of Compass constellation.


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