COSMOS 539

6319
Spacetrack Directory Number
1972-12-21
Orbit launches
1370.92 km
Average height
25830.44 km/h
Average velocity


Satellite information COSMOS 539

Spacetrack Directory Name COSMOS 539
Follow COSMOS 539 COSMOS 539 Tracker
Pass predictions COSMOS 539 Pass predictions COSMOS 539
Orbit launches 1972-12-21 (53 years ago)
Days in orbit 19651
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
Orbit slope (inclination) 74.01°
Laps per day 13
Height COSMOS 539 1370.92 km

Additional information COSMOS 539

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. Average height of ISS COSMOS 539 hundred 1370.92 km. Average velocity COSMOS 539 is 25830.44 km/h. Inclination COSMOS 539 satellite 74.02°.

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Average orbit height COSMOS 539

Average velocity COSMOS 539

Average inclination COSMOS 539

Mean right ascension of the ascending node (RAAN) COSMOS 539

Mean argument of perigee COSMOS 539

Mean semi-major axis of the orbit COSMOS 539

Mean orbital eccentricity COSMOS 539

Update time: 2026-10-09 19:30:13
Average height of ISS COSMOS 539 is: 1370.92km
Average velocity COSMOS 539 is: 25830.44km/h
Average orbit height COSMOS 539 is: 74.02°
COSMOS 539 a new group of Starlink satellites has been launched 1972-12-21
COSMOS 539 is from 19651 days Days in orbit.