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SL-6 R/B(2)
Launch Details
| Launched | 27 April 1990 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20599 |
| COSPAR ID | 1990-040D |
| Observing |
Current orbital elements
| Inclination | 69.744° |
| Eccentricity | 0.54517 |
| RA ascending node | 9.810 hr |
| Argument perigee | 49.009° |
| Mean anomaly | 346.633° |
| Orbital period | 707.671 min |
| Epoch of osculation | 28 Jun 2025, 07:03 |
Derived Quantities
| Min Altitude | 5593.5 km |
| Mean Altitude | 19934.6 km |
| Peak Altitude | 34275.7 km |
Orbital History
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