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Spacecraft information: SL-8 DEB
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 | 18512 |
| COSPAR ID | 1977-119E |
| Observing |
Current orbital elements
| Inclination | 74.022° |
| Eccentricity | 0.00032 |
| RA ascending node | 17.389 hr |
| Argument perigee | 77.712° |
| Mean anomaly | 75.969° |
| Orbital period | 95.745 min |
| Epoch of osculation | 15 May 2026, 19:27 |
Derived Quantities
| Min Altitude | 559.5 km |
| Mean Altitude | 561.7 km |
| Peak Altitude | 564.0 km |
Orbital History
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