Spacecraft information: COSMOS 1261 DEB
| Launched | 30 March 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12893 |
| COSPAR ID | 1981-031F |
| Observing |
Current orbital elements
| Inclination | 64.122° |
| Eccentricity | 0.71577 |
| RA ascending node | 22.714 hr |
| Argument perigee | 25.556° |
| Mean anomaly | 356.801° |
| Orbital period | 716.117 min |
| Epoch of osculation | 26 Jul 2026, 16:19 |
Derived Quantities
| Min Altitude | 1165.1 km |
| Mean Altitude | 20143.5 km |
| Peak Altitude | 39121.8 km |
Orbital History
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