Long March 4B | Zi Yuan-2 02 xing
JB-3 2 was nominally a Chinese (PRC) remote sensing satellite, although US intelligence sources indicated it had primarily an intelligence imaging mission. JB-3 2 was the name adopted by the USSPACECOM. Most news reports from China and elsewhere use different names: ZY-2B (acronym for ZiYuan-2B, translated as Resource-2B), and Zhong Guo Zi Yuan Er Hao, translated as China Resource 2. No information was available on the instruments onboard the JB-3 2, but officially it was intended ‘for territorial survey, environment monitoring and protection, urban planning, crop yield assessment, disaster monitoring, and space scientific experiments’.
The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.
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Mission Profile
Zi Yuan-2 02 xing was a Long March 4B mission operated by China Aerospace Science and Technology Corporation that lifted off from Launch Complex 7, Taiyuan Satellite Launch Center, People's Republic of China on October 27, 2002. The flight carried its payload on a earth science mission to Sun-Synchronous Orbit. The launch was a success.