Spacecraft information: SL-8 DEB
| Launched | 12 September 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 24818 |
| COSPAR ID | 1977-087C |
| Observing |
Current orbital elements
| Inclination | 82.968° |
| Eccentricity | 0.00306 |
| RA ascending node | 15.581 hr |
| Argument perigee | 228.668° |
| Mean anomaly | 161.053° |
| Orbital period | 104.189 min |
| Epoch of osculation | 11 Dec 2025, 16:45 |
Derived Quantities
| Min Altitude | 941.1 km |
| Mean Altitude | 963.6 km |
| Peak Altitude | 986.0 km |
Orbital History
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