Spacecraft information: SL-8 DEB
| Launched | 15 December 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10525 |
| COSPAR ID | 1977-119D |
| Observing |
Current orbital elements
| Inclination | 74.015° |
| Eccentricity | 0.00068 |
| RA ascending node | 19.152 hr |
| Argument perigee | 328.246° |
| Mean anomaly | 31.831° |
| Orbital period | 97.126 min |
| Epoch of osculation | 10 Mar 2026, 00:12 |
Derived Quantities
| Min Altitude | 623.5 km |
| Mean Altitude | 628.2 km |
| Peak Altitude | 633.0 km |
Orbital History
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