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Spacecraft information: SL-8 DEB
Launch Details
| Launched | 4 February 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21257 |
| COSPAR ID | 1991-007D |
| Observing |
Current orbital elements
| Inclination | 82.919° |
| Eccentricity | 0.00321 |
| RA ascending node | 5.693 hr |
| Argument perigee | 358.294° |
| Mean anomaly | 15.394° |
| Orbital period | 104.492 min |
| Epoch of osculation | 20 Dec 2025, 12:26 |
Derived Quantities
| Min Altitude | 954.2 km |
| Mean Altitude | 977.8 km |
| Peak Altitude | 1001.4 km |
Orbital History
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