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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 | 82.921° |
| Eccentricity | 0.00205 |
| RA ascending node | 20.414 hr |
| Argument perigee | 186.963° |
| Mean anomaly | 173.125° |
| Orbital period | 104.599 min |
| Epoch of osculation | 22 Jun 2026, 15:03 |
Derived Quantities
| Min Altitude | 967.8 km |
| Mean Altitude | 982.8 km |
| Peak Altitude | 997.9 km |
Orbital History
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