Proton (satellite)

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Model of a Proton satellite in a museum in Kaluga

The proton ( Russian Протон ) was a series of four Soviet research satellites that were supposed to investigate the high-energy cosmic particle radiation . They were remarkable for their size and mass of 8.5 tons (16 tons for Proton 4). The UR-500 launcher, which was later named after the satellites as the Proton rocket , was used for the first time .

Surname begin Orbit
Proton 1 July 16, 1965 Orbit between 190 and 627 km altitude.
Proton 2 November 2, 1965 Orbit between 189 and 608 km altitude.
Proton 3 July 6, 1966 Orbit between 190 and 630 km altitude.
Proton 4 November 16, 1968 Orbit between 225 and 495 km altitude.

source

  • Heinz Mielke: Lexicon of space travel. 6th edition, transpress VEB publishing house for transport, Berlin, 1980

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