Spacecraft information: SL-8 DEB
| Launched | 10 June 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21420 |
| COSPAR ID | 1991-041C |
| Observing |
Current orbital elements
| Inclination | 74.062° |
| Eccentricity | 0.00025 |
| RA ascending node | 7.846 hr |
| Argument perigee | 66.598° |
| Mean anomaly | 85.779° |
| Orbital period | 99.494 min |
| Epoch of osculation | 26 Mar 2026, 13:00 |
Derived Quantities
| Min Altitude | 739.8 km |
| Mean Altitude | 741.6 km |
| Peak Altitude | 743.3 km |
Orbital History
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