1990-081A
The second FY satellite was launched in Sep 1990. Mass was 881 kg.
FY-1B temporarily lost attitude control in 1991 because of radiation damage, but control was regained in two months, although lost again later.
The third stage exploded on Oct 4, generating hundreds of debris objects.
| Feng Yun 1B | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1990 Sep 3 | 0053 | Launch by CZ-4 | T'ai Yuan |
| 0055 | T+2:31 St 1 MECO | ||
| 0055 | T+2:32 St 1 sep | ||
| 0055 | T+2:47 Fairing | ||
| 0059 | T+6:38 St 2 MECO | ||
| 0059 | T+6:48 St 2 VECO | ||
| 0059 | T+6:49 St 2 sep | ||
| 0059 | St 3 burn? | ||
| St 3 burn 303s? | |||
| 0103 | T+10:10 St 3 MECO | ||
| 0104 | T+11:05 St 3 sep | ||
| 0105? | Atmosphere sats ejected | ||
| 1990 Sep 4 | 102.77 881 x 897 x 98.9 | ||
| 1990 Oct 4 | 2014 | Stage 3 exploded | |
| 1991 Feb | Attitude control lost | ||
| 1991 Apr | Control regained | ||
| 1991? | End of ops | ||
| 1992 Mar 20 | 102.76 878 x 900 x 98.9 | ||
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