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COSMOS 646
Launch Details
| Launched | 22 April 1974 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7270 |
| COSPAR ID | 1974-024F |
| Observing |
Current orbital elements
| Inclination | 74.020° |
| Eccentricity | 0.00517 |
| RA ascending node | 3.075 hr |
| Argument perigee | 167.371° |
| Mean anomaly | 257.122° |
| Orbital period | 114.740 min |
| Epoch of osculation | 21 Apr 2024, 22:16 |
Derived Quantities
| Min Altitude | 1410.3 km |
| Mean Altitude | 1450.8 km |
| Peak Altitude | 1491.2 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
COSMOS 641 COSMOS 642 COSMOS 643 COSMOS 644 COSMOS 645 COSMOS 647 COSMOS 648 SL-8 R/B