PROTON 4
Satellite information PROTON 4
| Spacetrack Directory Name | PROTON 4 |
| Orbit launches |
1968-11-16 |
| Deorbitation date |
1969-07-24 |
| Days in orbit | 250 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | TYMSC (Baikonur Cosmodrome, Kazakhstan) |
Additional information PROTON 4
PROTON 4, 3544 was a payload satellite owned by TsKBEM (CIS) that was launched on Sat, 16 Nov 1968 UTC via a PROTON-K launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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: 2026-04-10 17:32:28
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