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COSMOS 677
Launch Details
| 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 | 7435 |
| COSPAR ID | 1974-072A |
| Observing |
Current orbital elements
| Inclination | 74.037° |
| Eccentricity | 0.00438 |
| RA ascending node | 21.654 hr |
| Argument perigee | 107.804° |
| Mean anomaly | 271.460° |
| Orbital period | 114.465 min |
| Epoch of osculation | 15 Sep 2025, 02:52 |
Derived Quantities
| Min Altitude | 1404.0 km |
| Mean Altitude | 1438.3 km |
| Peak Altitude | 1472.5 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 678 COSMOS 679 COSMOS 680 COSMOS 681 COSMOS 682 COSMOS 683 COSMOS 684 SL-8 R/B