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SL-8 R/B
Launch Details
| Launched | 15 January 1981 |
| Flight ended | – |
| Status | Unknown |
| Category |
Assorted bright
|
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12139 |
| COSPAR ID | 1981-003B |
| Observing |
Current orbital elements
| Inclination | 82.930° |
| Eccentricity | 0.02797 |
| RA ascending node | 0.717 hr |
| Argument perigee | 122.285° |
| Mean anomaly | 240.581° |
| Orbital period | 95.553 min |
| Epoch of osculation | 12 Dec 2025, 03:21 |
Derived Quantities
| Min Altitude | 358.8 km |
| Mean Altitude | 552.5 km |
| Peak Altitude | 746.1 km |
Orbital History
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