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Spacecraft information: COSMOS 540
Launch Details
| Launched | 24 December 1972 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 6323 |
| COSPAR ID | 1972-104A |
| Observing |
Current orbital elements
| Inclination | 74.078° |
| Eccentricity | 0.00188 |
| RA ascending node | 18.099 hr |
| Argument perigee | 261.665° |
| Mean anomaly | 98.237° |
| Orbital period | 100.176 min |
| Epoch of osculation | 15 Mar 2026, 13:35 |
Derived Quantities
| Min Altitude | 760.6 km |
| Mean Altitude | 774.0 km |
| Peak Altitude | 787.4 km |
Orbital History
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