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 | 64.675° |
| Eccentricity | 0.71045 |
| RA ascending node | 0.614 hr |
| Argument perigee | 27.011° |
| Mean anomaly | 356.878° |
| Orbital period | 715.966 min |
| Epoch of osculation | 08 Dec 2025, 11:28 |
Derived Quantities
| Min Altitude | 1305.2 km |
| Mean Altitude | 20139.7 km |
| Peak Altitude | 38974.2 km |
Orbital History
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