Spacecraft information: SL-8 R/B
| Launched | 7 July 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10138 |
| COSPAR ID | 1977-062B |
| Observing |
Current orbital elements
| Inclination | 82.940° |
| Eccentricity | 0.00209 |
| RA ascending node | 7.055 hr |
| Argument perigee | 17.874° |
| Mean anomaly | 352.611° |
| Orbital period | 104.789 min |
| Epoch of osculation | 20 Dec 2025, 13:48 |
Derived Quantities
| Min Altitude | 976.3 km |
| Mean Altitude | 991.7 km |
| Peak Altitude | 1007.1 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.