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Spacecraft information: SL-8 R/B
Launch Details
| 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 | 10521 |
| COSPAR ID | 1977-119B |
| Observing |
Current orbital elements
| Inclination | 74.028° |
| Eccentricity | 0.00211 |
| RA ascending node | 23.861 hr |
| Argument perigee | 295.825° |
| Mean anomaly | 64.073° |
| Orbital period | 99.832 min |
| Epoch of osculation | 16 May 2026, 08:28 |
Derived Quantities
| Min Altitude | 742.6 km |
| Mean Altitude | 757.6 km |
| Peak Altitude | 772.7 km |
Orbital History
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