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SL-6 R/B(2)
Launch Details
| Launched | 14 February 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21121 |
| COSPAR ID | 1991-012D |
| Observing |
Current orbital elements
| Inclination | 64.633° |
| Eccentricity | 0.63807 |
| RA ascending node | 12.403 hr |
| Argument perigee | 256.939° |
| Mean anomaly | 29.253° |
| Orbital period | 699.707 min |
| Epoch of osculation | 30 Oct 2025, 14:38 |
Derived Quantities
| Min Altitude | 3078.1 km |
| Mean Altitude | 19736.8 km |
| Peak Altitude | 36395.6 km |
Orbital History
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