Spacecraft information: SL-8 R/B
| Launched | 6 May 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12443 |
| COSPAR ID | 1981-041B |
| Observing |
Current orbital elements
| Inclination | 74.052° |
| Eccentricity | 0.00049 |
| RA ascending node | 13.783 hr |
| Argument perigee | 220.183° |
| Mean anomaly | 139.896° |
| Orbital period | 100.273 min |
| Epoch of osculation | 21 Jul 2026, 02:14 |
Derived Quantities
| Min Altitude | 775.1 km |
| Mean Altitude | 778.6 km |
| Peak Altitude | 782.1 km |
Orbital History
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