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COSMOS 1257
Launch Details
| Launched | 5 March 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12327 |
| COSPAR ID | 1981-022H |
| Observing |
Current orbital elements
| Inclination | 74.027° |
| Eccentricity | 0.00063 |
| RA ascending node | 11.169 hr |
| Argument perigee | 108.145° |
| Mean anomaly | 8.746° |
| Orbital period | 115.398 min |
| Epoch of osculation | 28 Jun 2025, 10:48 |
Derived Quantities
| Min Altitude | 1475.7 km |
| Mean Altitude | 1480.6 km |
| Peak Altitude | 1485.6 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
COSMOS 1250 COSMOS 1251 COSMOS 1252 COSMOS 1253 COSMOS 1254 COSMOS 1255 COSMOS 1256 SL-8 R/B