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SL-6 R/B(2)
Launch Details
| Launched | 10 April 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9921 |
| COSPAR ID | 1977-027D |
| Observing |
Current orbital elements
| Inclination | 72.276° |
| Eccentricity | 0.54247 |
| RA ascending node | 9.605 hr |
| Argument perigee | 149.355° |
| Mean anomaly | 329.101° |
| Orbital period | 724.047 min |
| Epoch of osculation | 09 Dec 2025, 10:40 |
Derived Quantities
| Min Altitude | 5849.6 km |
| Mean Altitude | 20338.8 km |
| Peak Altitude | 34828.1 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
COSMOS 903 SL-6 R/B(1) SL-6 PLAT COSMOS 903 DEB COSMOS 903 DEB COSMOS 903 DEB COSMOS 903 DEB COSMOS 903 DEB