COSMOS 639

7240
Spacetrack Directory Number
1974-04-04
Orbit launches
1974-04-15
11 Days in orbit


Satellite information COSMOS 639

Spacetrack Directory Name COSMOS 639
Orbit launches 1974-04-04
Deorbitation date 1974-04-15
Days in orbit 11
Country/organisation of origin Commonwealth of Independent States (former USSR) (CIS)
Starting point PLMSC (Plesetsk Missile and Space Complex, Russia)

Additional information COSMOS 639

COSMOS 639, 7240 was a payload satellite owned by GUKOS RVSN (CIS) that was launched on Thu, 04 Apr 1974 UTC via a VOSKHOD 11A57 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.



Update time: 2026-04-19 22:21:45