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Proton 3



Proton 3 was the third in a series of spacecraft from which cylindrical payloads containing instruments for studying cosmic rays of energies up to 10 to the 13 eV were launched. Proton 3 also studied the nuclear interaction of particles in the range of 10 to the 12 eV. This payload decayed after 72 days in orbit.

Alternate Names

  • 02290
  • Proton3

Facts in Brief

Launch Date: 1966-07-06
Launch Vehicle: Proton Booster Plus Upper Stage
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 12200 kg

Funding Agency

  • Unknown (U.S.S.R)


  • Space Physics

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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