COSMOS 643

7267
Spacetrack Directory Number
1974-04-23
Orbit launches
1427.55 km
Average height
25736.6 km/h
Average velocity


Satellite information COSMOS 643

Spacetrack Directory Name COSMOS 643
Follow COSMOS 643 COSMOS 643 Tracker
Pass predictions COSMOS 643 Pass predictions COSMOS 643
Orbit launches 1974-04-23 (52 years ago)
Days in orbit 19162
Country/organisation of origin Commonwealth of Independent States (former USSR) (CIS)
Starting point PLMSC (Plesetsk Missile and Space Complex, Russia)
Perigee 1352 km
Apogee 1482 km
Orbit slope (inclination) 74.02°
Laps per day 13
Height COSMOS 643 1427.55 km

Additional information COSMOS 643

COSMOS 643, 7267 is a payload satellite owned by GUKOS RVSN (CIS) in LEO that was launched on Tue, 23 Apr 1974 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 643 Date of exalting 23.04.1974y. Average height of ISS COSMOS 643 hundred 1427.55 km. Average velocity COSMOS 643 is 25736.6 km/h. Inclination COSMOS 643 satellite 74.02°.

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Average orbit height COSMOS 643

Average velocity COSMOS 643

Average inclination COSMOS 643

Mean right ascension of the ascending node (RAAN) COSMOS 643

Mean argument of perigee COSMOS 643

Mean semi-major axis of the orbit COSMOS 643

Mean orbital eccentricity COSMOS 643

Update time: 2026-10-08 19:30:16
Average height of ISS COSMOS 643 is: 1427.55km
Average velocity COSMOS 643 is: 25736.6km/h
Average orbit height COSMOS 643 is: 74.02°
COSMOS 643 a new group of Starlink satellites has been launched 1974-04-23
COSMOS 643 is from 19162 days Days in orbit.