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Spacecraft information: SL-6 R/B(2)
Launch Details
| Launched | 18 February 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12311 |
| COSPAR ID | 1981-016E |
| Observing |
Current orbital elements
| Inclination | 71.579° |
| Eccentricity | 0.54612 |
| RA ascending node | 1.742 hr |
| Argument perigee | 313.558° |
| Mean anomaly | 12.309° |
| Orbital period | 703.556 min |
| Epoch of osculation | 19 Jul 2026, 23:36 |
Derived Quantities
| Min Altitude | 5522.2 km |
| Mean Altitude | 19832.5 km |
| Peak Altitude | 34142.8 km |
Orbital History
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