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Cosmos 1643



Cosmos 1643 was a Soviet digital photo surveillance satellite launched from the Baikonur cosmodrome aboard a Soyuz 11 rocket. It remained in orbit for 207 days.

Alternate Names

  • 15634
  • Cosmos1643

Facts in Brief

Launch Date: 1985-03-25
Launch Vehicle: Modified SS-6 (Sapwood) with 2nd Generation (Longer) Upper Stage
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 6700 kg

Funding Agency

  • Unknown (U.S.S.R)


  • Surveillance and Other Military

Additional Information

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

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