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COSMOS 1263
Launch Details
| Launched | 8 April 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12388 |
| COSPAR ID | 1981-033A |
| Observing |
Current orbital elements
| Inclination | 82.856° |
| Eccentricity | 0.05885 |
| RA ascending node | 5.421 hr |
| Argument perigee | 213.253° |
| Mean anomaly | 143.036° |
| Orbital period | 100.925 min |
| Epoch of osculation | 15 Sep 2025, 05:08 |
Derived Quantities
| Min Altitude | 387.0 km |
| Mean Altitude | 809.6 km |
| Peak Altitude | 1232.1 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
SL-8 R/B