Spacecraft information: SL-8 R/B
| Launched | 12 October 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5555 |
| COSPAR ID | 1971-086J |
| Observing |
Current orbital elements
| Inclination | 74.019° |
| Eccentricity | 0.00764 |
| RA ascending node | 17.009 hr |
| Argument perigee | 240.059° |
| Mean anomaly | 266.341° |
| Orbital period | 117.357 min |
| Epoch of osculation | 12 Dec 2025, 06:43 |
Derived Quantities
| Min Altitude | 1508.5 km |
| Mean Altitude | 1569.2 km |
| Peak Altitude | 1629.9 km |
Launched alongside
COSMOS 444 COSMOS 445 COSMOS 446 COSMOS 447 COSMOS 448 COSMOS 449 COSMOS 450 COSMOS 451 SL-8 DEB SL-8 DEBOrbital History
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