SJ 2 [CAST]
SJ 2 (Shi Jian 2) was a Chinese satellite mission to measure and study the micrometeoroids and debris environment and to conduct electromagnetic background experiments.
the satellite featured a spin-stabilized octahedral prism shaped structure and and was sun-pointing with a total mass of 250 kg. The satellite structure had a length of 1.2 m and an outer diameter of 0.615 m. Four deployable solar wings are attached to the top of the satellite.
The satellite carried instruments for measuring space debris:
SJ 2 was launched as one of three payloads on a FB-1 rocket in September 1981. An earlier launch failure in July 1979 reportedly carried the same payloads.
Nation: | China |
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Type / Application: | Technology |
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Power: | 4 deployable fixed solar arrays, batteries |
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Mass: | 250 kg |
Orbit: | 232 km × 1598 km, 59.4º |
Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
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SJ (2) | 1979-F02 | 27.07.1979 | Jq LC-2/138 | F | FB-1 | with SJ (2A), SJ (2B) |
SJ 2 | 1981-093D | 19.09.1981 | Jq LC-2/138 | FB-1 | with SJ 2A, SJ 2B |