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Sputnik 4



This spacecraft, the first of a series of spacecraft used to investigate the means for manned space flight, contained scientific instruments, a television system, and a self-sustaining biological cabin with a dummy of a man. The spacecraft was designed to study the operation of the life support system and the stresses of flight. The spacecraft radioed both extensive telemetry and prerecorded voice communications. After four days of flight, the reentry cabin was separated from its service module and retrorockets were fired, but because of an incorrect attitude the spacecraft did not reenter the atmosphere.

Alternate Names

  • 00034

Facts in Brief

Launch Date: 1960-05-15
Launch Vehicle: Modified SS-6 (Sapwood) with 1st Generation Upper Stage
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 1477.0 kg

Funding Agency

  • Unknown (U.S.S.R)


  • Engineering
  • Life Science

Additional Information

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


Selected References

Wasson, J. T., Radioactivity in Sputnik fragment, J. Geophys. Res., 69, No. 11, 2223-2230, June 1964.

Lewis, C., Soviet Sputnik IV re-entry try fails, Space Technol., 3, No. 3, 14, July 1960.

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