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SJ 9B [DFHSat]

The SJ 9B (Shijian 9B) spacecraft is a technology satellite developed for the Chinese Comission of Science, Technology and Industry for National Defense (COSTIND).

SJ 9B carries the LWIR (Long Wave Infrared) Camera as a technology experiment.

The goal of the LWIR camera is to test mainly the functions of the instrument such as the focal-plane component and the long-life Stirling cryocooler which is designed to function as an autonomic research and development component. The camera features low-temperature optics. The operational temperature of optical system is kept in the range of -35șC to -20șC.

Nation: China
Type / Application: Technological experiments
Contractors: SAST
Equipment: LWIR
Configuration: CAST-100
Power: Deployable solar array, batteries
Mass: ~ 260 kg
Orbit: 623 km × 649 km, 97.99°
Satellite COSPAR Date LS Launch Vehicle Remarks
SJ 9B 2012-056B 14.10.2012 TY LC-9 CZ-2C (3) SMA with SJ 9A

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