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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 | 82.859° |
| Eccentricity | 0.05941 |
| RA ascending node | 9.462 hr |
| Argument perigee | 78.585° |
| Mean anomaly | 288.142° |
| Orbital period | 100.979 min |
| Epoch of osculation | 03 Jul 2025, 11:50 |
Derived Quantities
| Min Altitude | 385.4 km |
| Mean Altitude | 812.1 km |
| Peak Altitude | 1238.9 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