COSMOS 257
Satellite information COSMOS 257
| Spacetrack Directory Name | COSMOS 257 |
| Orbit launches |
1968-12-03 |
| Deorbitation date |
1969-03-05 |
| Days in orbit | 92 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | PLMSC (Plesetsk Missile and Space Complex, Russia) |
