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Spacecraft information: SL-4 DEB
Launch Details
| Launched | 25 April 1977 |
| Flight ended | 13 May 1977 |
| Status | Decayed |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9940 |
| COSPAR ID | 1977-030C |
| Observing |