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SL-6 R/B(2)
Launch Details
| Launched | 21 March 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21199 |
| COSPAR ID | 1991-022D |
| Observing |
Current orbital elements
| Inclination | 64.467° |
| Eccentricity | 0.65034 |
| RA ascending node | 11.468 hr |
| Argument perigee | 255.651° |
| Mean anomaly | 28.693° |
| Orbital period | 699.579 min |
| Epoch of osculation | 25 Aug 2025, 18:53 |
Derived Quantities
| Min Altitude | 2756.7 km |
| Mean Altitude | 19733.7 km |
| Peak Altitude | 36710.6 km |
Orbital History
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