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Foton 5



Introduced by name in 1988, the Foton satellites housed a Vostok-derived materials processing laboratory. Foton 5, carrying French commercial microgravity experiments, was launched from Plesetsk by a Soyuz A-2 booster. It was recovered May 11. The satellite comprised a stubby cylinder -- probably holding chemical batteries -- at the front, a spherical 2.3-m-diameter reentry vehicle and a double-cone instrument/retro module. Its mass was 6 metric tons. Foton 5 was the fifth flight of the series. The same reentry module flew as Cosmos 1841 in 1987 and Foton 4 in 1988. Previous versions flew as Cosmos 1645 in 1985, and Cosmos 1744 in 1986.

Alternate Names

  • Photon 5
  • 19941
  • Foton5

Facts in Brief

Launch Date: 1989-04-26
Launch Vehicle: Soyuz
Launch Site: Plesetsk, U.S.S.R
Mass: 6200 kg

Funding Agency

  • Unknown (U.S.S.R)


  • Microgravity

Additional Information

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

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