Spacecraft information: SL-8 R/B
| 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 | 82.826° |
| Eccentricity | 0.00620 |
| RA ascending node | 21.992 hr |
| Argument perigee | 264.934° |
| Mean anomaly | 94.474° |
| Orbital period | 104.302 min |
| Epoch of osculation | 12 Dec 2025, 07:12 |
Derived Quantities
| Min Altitude | 923.4 km |
| Mean Altitude | 968.9 km |
| Peak Altitude | 1014.4 km |
Launched alongside
COSMOS 2135Orbital History
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