Spacecraft information: SL-6 R/B(2)
| Launched | 14 February 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21121 |
| COSPAR ID | 1991-012D |
| Observing |
Current orbital elements
| Inclination | 64.644° |
| Eccentricity | 0.64423 |
| RA ascending node | 11.283 hr |
| Argument perigee | 254.079° |
| Mean anomaly | 30.371° |
| Orbital period | 699.693 min |
| Epoch of osculation | 09 May 2026, 02:01 |
Derived Quantities
| Min Altitude | 2917.3 km |
| Mean Altitude | 19736.5 km |
| Peak Altitude | 36555.6 km |
Orbital History
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