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Spacecraft information: SL-8 R/B
Launch Details
| Launched | 27 April 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5181 |
| COSPAR ID | 1971-038B |
| Observing |
Current orbital elements
| Inclination | 74.004° |
| Eccentricity | 0.00563 |
| RA ascending node | 1.105 hr |
| Argument perigee | 277.398° |
| Mean anomaly | 249.379° |
| Orbital period | 109.027 min |
| Epoch of osculation | 10 Mar 2026, 07:45 |
Derived Quantities
| Min Altitude | 1146.4 km |
| Mean Altitude | 1188.9 km |
| Peak Altitude | 1231.4 km |
Launched alongside
COSMOS 409Orbital History
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