1971-018A
China's second satellite was Shi Jian 1 (SJ 1, PRC 2). Shi Jian has been translated as `Practice' or `Test'. SJ 1 was similar in construction to DFH 1. It carried a magnetometer and solar cells, and cosmic ray detectors. SJ 1 transmitted until at least 1977. Transmissions continued on 20.008MHz from the final stage rocket until Mar 11, after which 19.995 MHz transmissions from the payload began, and it appears that the rocket did not separate until then.| Shi Jian 1 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1971 Mar 3 | 1202? | Launch by CZ1 | JQ |
| 1203? | T+1:00 Stage 2 burn | ||
| 1204? | T+3:00? Stage 2 burnout | ||
| 1206? | Stage 2 sep | ||
| 1209? | Stage 3 burn | ||
| 1210? | Stage 3 burnout | ||
| 106.2 268 x 1830 x 69.9 | |||
| 1971 Mar 10 | Stage 3 separated | ||
| 1971 Mar 26 | end of tx from stage 3 | ||
| 1977? | end of transmissions | ||
| 1979 Jun 17 | Reentered over Lake Michigan | ||
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