Norad ID: 6319
| Spacetrack Directory Name | COSMOS 539 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | PLMSC (Plesetsk Missile and Space Complex, Russia) |
| Perigee | 1342 km |
| Apogee | 1379 km |
COSMOS 539, 6319 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Thu, 21 Dec 1972 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
satellite COSMOS 539 Date of exalting 21.12.1972y.