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Cosmos 900



Cosmos 900 was a Soviet low earth orbiting satellite launched from the Plesetsk cosmodrome. Onboard were a number of space physics instruments including a flat retarding potential analyzer, a high-frequency electron temperature probe, a spherical ion trap, a cylindrical electrostatic probe, a differential eneragy spectrometer, a panoramic electrostatic spectrometer, proton and electron counter, and an auroral photometer.

Alternate Names

  • 09898
  • Cosmos900
  • OVAL

Facts in Brief

Launch Date: 1977-03-30
Launch Vehicle: Kosmos-3
Launch Site: Plesetsk, U.S.S.R
Mass: 900 kg

Funding Agency

  • Soviet Academy of Sciences (U.S.S.R)


  • Space Physics

Additional Information

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



NameRoleOriginal AffiliationE-mail
Prof. Konstantin I. GringauzProject ManagerSoviet Academy of Sciences
Prof. Boris A. TverskoyProject ScientistInstitute for Nuclear
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