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Spacecraft information: SL-8 R/B
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 | 21090 |
| COSPAR ID | 1991-007B |
| Observing |
Current orbital elements
| Inclination | 82.924° |
| Eccentricity | 0.00219 |
| RA ascending node | 1.346 hr |
| Argument perigee | 107.020° |
| Mean anomaly | 253.335° |
| Orbital period | 104.600 min |
| Epoch of osculation | 15 Mar 2026, 08:19 |
Derived Quantities
| Min Altitude | 966.8 km |
| Mean Altitude | 982.9 km |
| Peak Altitude | 999.0 km |
Orbital History
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