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Spacecraft information: SL-8 R/B
Launch Details
| Launched | 21 April 1975 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7769 |
| COSPAR ID | 1975-034B |
| Observing |
Current orbital elements
| Inclination | 82.966° |
| Eccentricity | 0.00172 |
| RA ascending node | 11.174 hr |
| Argument perigee | 303.166° |
| Mean anomaly | 128.875° |
| Orbital period | 104.714 min |
| Epoch of osculation | 10 Mar 2026, 09:47 |
Derived Quantities
| Min Altitude | 975.6 km |
| Mean Altitude | 988.2 km |
| Peak Altitude | 1000.9 km |
Launched alongside
COSMOS 729Orbital History
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