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Spacecraft information: SL-8 R/B
Launch Details
| Launched | 25 February 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21131 |
| COSPAR ID | 1991-013B |
| Observing |
Current orbital elements
| Inclination | 82.822° |
| Eccentricity | 0.00634 |
| RA ascending node | 17.265 hr |
| Argument perigee | 4.146° |
| Mean anomaly | 356.021° |
| Orbital period | 104.301 min |
| Epoch of osculation | 15 Mar 2026, 13:45 |
Derived Quantities
| Min Altitude | 922.3 km |
| Mean Altitude | 968.8 km |
| Peak Altitude | 1015.4 km |
Launched alongside
COSMOS 2135Orbital History
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