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COSMOS 1287
Launch Details
| Launched | 5 August 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12636 |
| COSPAR ID | 1981-074A |
| Observing |
Current orbital elements
| Inclination | 74.035° |
| Eccentricity | 0.00305 |
| RA ascending node | 20.581 hr |
| Argument perigee | 176.778° |
| Mean anomaly | 183.347° |
| Orbital period | 115.723 min |
| Epoch of osculation | 28 Jun 2025, 12:05 |
Derived Quantities
| Min Altitude | 1471.4 km |
| Mean Altitude | 1495.4 km |
| Peak Altitude | 1519.4 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
COSMOS 1288 COSMOS 1289 COSMOS 1290 COSMOS 1291 COSMOS 1292 COSMOS 1293 COSMOS 1294 SL-8 R/B