Spacecraft information: SL-8 DEB
| Launched | 18 May 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10013 |
| COSPAR ID | 1977-036C |
| Observing |
Current orbital elements
| Inclination | 65.865° |
| Eccentricity | 0.06966 |
| RA ascending node | 10.112 hr |
| Argument perigee | 111.306° |
| Mean anomaly | 321.907° |
| Orbital period | 116.996 min |
| Epoch of osculation | 31 Dec 2025, 13:31 |
Derived Quantities
| Min Altitude | 1000.9 km |
| Mean Altitude | 1552.9 km |
| Peak Altitude | 2104.9 km |
Orbital History
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