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COSMOS 451
Launch Details
| Launched | 12 October 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5554 |
| COSPAR ID | 1971-086H |
| Observing |
Current orbital elements
| Inclination | 74.031° |
| Eccentricity | 0.00536 |
| RA ascending node | 1.654 hr |
| Argument perigee | 284.767° |
| Mean anomaly | 248.903° |
| Orbital period | 116.665 min |
| Epoch of osculation | 15 Sep 2025, 03:24 |
Derived Quantities
| Min Altitude | 1495.6 km |
| Mean Altitude | 1538.0 km |
| Peak Altitude | 1580.4 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 444 COSMOS 445 COSMOS 446 COSMOS 447 COSMOS 448 COSMOS 449 COSMOS 450 SL-8 R/B SL-8 DEB SL-8 DEB