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RADIO 3
Launch Details
| Launched | 16 December 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12997 |
| COSPAR ID | 1981-120A |
| Observing |
Current orbital elements
| Inclination | 82.955° |
| Eccentricity | 0.00586 |
| RA ascending node | 4.471 hr |
| Argument perigee | 159.474° |
| Mean anomaly | 213.004° |
| Orbital period | 118.434 min |
| Epoch of osculation | 27 Aug 2025, 18:17 |
Derived Quantities
| Min Altitude | 1570.9 km |
| Mean Altitude | 1617.7 km |
| Peak Altitude | 1664.6 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.