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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 | 74.081° |
| Eccentricity | 0.00166 |
| RA ascending node | 5.508 hr |
| Argument perigee | 96.439° |
| Mean anomaly | 263.866° |
| Orbital period | 100.179 min |
| Epoch of osculation | 12 Dec 2025, 07:24 |
Derived Quantities
| Min Altitude | 762.3 km |
| Mean Altitude | 774.1 km |
| Peak Altitude | 786.0 km |
Orbital History
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