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COSMOS 687
Launch Details
| Launched | 10 October 1974 |
| Flight ended | 4 February 1978 |
| Status | Decayed |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7469 |
| COSPAR ID | 1974-076A |
| Observing |
Launched alongside
SL-8 R/B