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SL-8 R/B
Launch Details
| Launched | 15 April 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21231 |
| COSPAR ID | 1991-029B |
| Observing |
Current orbital elements
| Inclination | 82.951° |
| Eccentricity | 0.00364 |
| RA ascending node | 3.065 hr |
| Argument perigee | 125.635° |
| Mean anomaly | 47.001° |
| Orbital period | 104.645 min |
| Epoch of osculation | 03 Sep 2025, 05:32 |
Derived Quantities
| Min Altitude | 958.2 km |
| Mean Altitude | 984.9 km |
| Peak Altitude | 1011.7 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 2142