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Spacecraft information: 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 | 72.245° |
| Eccentricity | 0.53674 |
| RA ascending node | 9.375 hr |
| Argument perigee | 146.103° |
| Mean anomaly | 267.434° |
| Orbital period | 723.963 min |
| Epoch of osculation | 06 Mar 2026, 08:08 |
Derived Quantities
| Min Altitude | 6001.6 km |
| Mean Altitude | 20336.8 km |
| Peak Altitude | 34672.0 km |
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 DEBOrbital History
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