Spacecraft information: SL-8 R/B
| Launched | 18 September 1974 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7443 |
| COSPAR ID | 1974-072J |
| Observing |
Current orbital elements
| Inclination | 74.035° |
| Eccentricity | 0.01313 |
| RA ascending node | 23.126 hr |
| Argument perigee | 150.652° |
| Mean anomaly | 323.204° |
| Orbital period | 117.760 min |
| Epoch of osculation | 26 Dec 2025, 10:17 |
Derived Quantities
| Min Altitude | 1482.9 km |
| Mean Altitude | 1587.4 km |
| Peak Altitude | 1691.9 km |
Launched alongside
COSMOS 677 COSMOS 678 COSMOS 679 COSMOS 680 COSMOS 681 COSMOS 682 COSMOS 683 COSMOS 684Orbital History
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