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Spacecraft information: 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 | 74.029° |
| Eccentricity | 0.00529 |
| RA ascending node | 18.075 hr |
| Argument perigee | 157.013° |
| Mean anomaly | 11.572° |
| Orbital period | 116.665 min |
| Epoch of osculation | 12 Dec 2025, 05:39 |
Derived Quantities
| Min Altitude | 1496.2 km |
| Mean Altitude | 1538.0 km |
| Peak Altitude | 1579.8 km |
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 DEBOrbital History
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