Satellite Zhangguo Ziyuan 2B (ZY-2B, JB-3B) of Chinese Academy of Space Technology

Name of Satellite, Alternate Names Zhangguo Ziyuan 2B (ZY-2B, JB-3B)
Country of Operator/Owner China (PR)
Operator/Owner Chinese Academy of Space Technology
Users Military
Purpose Remote Sensing
Class of Orbit LEO
Type of Orbit Sun-Synchronous
Longitude of GEO (degrees) 0
Perigee (km) 444
Apogee (km) 454
Eccentricity 0.000733245343892066
Inclination (degrees) 97.1
Period (minutes) 93.6
Launch Mass (kg.) 1500
Dry Mass (kg.)
Power (watts)
Date of Launch 27-10-2002
Expected Lifetime 3-5 yrs.
Contractor Chinese Academy of Space Technology (CAST)
Country of Contractor China (PR)
Launch Site Taiyuan Launch Center
Launch Vehicle Long March CZ4B
COSPAR Number 2002-049A
NORAD Number 27550
Comments Officially intended for environment monitoring and protection, city planning, crops yield estimate, disaster prevention and mitigation, space science testing.


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