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Spacecraft information: SL-8 R/B
Launch Details
| 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 | 10355 |
| COSPAR ID | 1977-087B |
| Observing |
Current orbital elements
| Inclination | 82.971° |
| Eccentricity | 0.00343 |
| RA ascending node | 18.493 hr |
| Argument perigee | 27.081° |
| Mean anomaly | 81.226° |
| Orbital period | 104.647 min |
| Epoch of osculation | 12 Dec 2025, 06:39 |
Derived Quantities
| Min Altitude | 959.8 km |
| Mean Altitude | 985.1 km |
| Peak Altitude | 1010.3 km |
Orbital History
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