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Spacecraft information: COSMOS 1261 DEB
Launch Details
| 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 | 35507 |
| COSPAR ID | 1981-031N |
| Observing |
Current orbital elements
| Inclination | 62.618° |
| Eccentricity | 0.73718 |
| RA ascending node | 21.876 hr |
| Argument perigee | 40.858° |
| Mean anomaly | 355.556° |
| Orbital period | 713.318 min |
| Epoch of osculation | 08 Dec 2025, 23:40 |
Derived Quantities
| Min Altitude | 579.4 km |
| Mean Altitude | 20074.3 km |
| Peak Altitude | 39569.2 km |
Orbital History
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