COSMOS 1639

15621
Spacetrack Directory Number
1985-03-21
Orbit launches
1471.03 km
Average height
25665.1 km/h
Average velocity


Satellite information COSMOS 1639

Spacetrack Directory Name COSMOS 1639
Follow COSMOS 1639 COSMOS 1639 Tracker
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Orbit launches 1985-03-21 (41 years ago)
Days in orbit 15164
Country/organisation of origin Commonwealth of Independent States (former USSR) (CIS)
Starting point PLMSC (Plesetsk Missile and Space Complex, Russia)
Perigee 1440 km
Apogee 1480 km
Orbit slope (inclination) 74.06°
Laps per day 13
Height COSMOS 1639 1471.03 km

Additional information COSMOS 1639

COSMOS 1639, 15621 is a payload satellite owned by GUKOS (CIS) in LEO that was launched on Thu, 21 Mar 1985 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 1639 Date of exalting 21.03.1985y. Average height of ISS COSMOS 1639 hundred 1471.03 km. Average velocity COSMOS 1639 is 25665.1 km/h. Inclination COSMOS 1639 satellite 74.05°.

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Average orbit height COSMOS 1639

Average velocity COSMOS 1639

Average inclination COSMOS 1639

Mean right ascension of the ascending node (RAAN) COSMOS 1639

Mean argument of perigee COSMOS 1639

Mean semi-major axis of the orbit COSMOS 1639

Mean orbital eccentricity COSMOS 1639

Update time: 2026-09-25 19:40:20
Average height of ISS COSMOS 1639 is: 1471.03km
Average velocity COSMOS 1639 is: 25665.1km/h
Average orbit height COSMOS 1639 is: 74.05°
COSMOS 1639 a new group of Starlink satellites has been launched 1985-03-21
COSMOS 1639 is from 15164 days Days in orbit.