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Spacecraft information: 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 | 82.948° |
| Eccentricity | 0.00345 |
| RA ascending node | 17.760 hr |
| Argument perigee | 322.183° |
| Mean anomaly | 94.177° |
| Orbital period | 104.643 min |
| Epoch of osculation | 10 Mar 2026, 12:38 |
Derived Quantities
| Min Altitude | 959.5 km |
| Mean Altitude | 984.8 km |
| Peak Altitude | 1010.2 km |
Launched alongside
COSMOS 2142Orbital History
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