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COSMOS 1261
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 | 12376 |
| COSPAR ID | 1981-031A |
| Observing |
Current orbital elements
| Inclination | 68.397° |
| Eccentricity | 0.61957 |
| RA ascending node | 8.954 hr |
| Argument perigee | 8.754° |
| Mean anomaly | 358.177° |
| Orbital period | 717.026 min |
| Epoch of osculation | 24 Jun 2024, 13:00 |
Derived Quantities
| Min Altitude | 3724.5 km |
| Mean Altitude | 20165.9 km |
| Peak Altitude | 36607.3 km |
Orbital History
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