COSMOS 639
Satellite information COSMOS 639
| Spacetrack Directory Name | COSMOS 639 |
| Orbit launches |
1974-04-04 |
| Deorbitation date |
1974-04-15 |
| Days in orbit | 11 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | PLMSC (Plesetsk Missile and Space Complex, Russia) |
