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Cosmos 146



Cosmos 146 was a Soviet test precursor to the Zond series, launched from the Baikonur cosmodrome aboard a Proton K rocket. It was launched into a planned highly elliptical earth orbit. The Block D stage functioned correctly in putting the spacecraft into a translunar trajectory. It was not aimed at the moon and no recovery of the spacecraft was planned or attempted. It was a successful mission that created a false confidence just before a string of failures that would follow.

Alternate Names

  • 02705
  • Cosmos146

Facts in Brief

Launch Date: 1967-03-10
Launch Vehicle: Proton-K
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 5375 kg

Funding Agency

  • Unknown (U.S.S.R)


  • Engineering

Additional Information

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

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