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Kosmos 869

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Title: Kosmos 869  
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Subject: Soyuz programme, 1976 in spaceflight, Kosmos 656, Soyuz-V, Kosmos 1001
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Kosmos 869

Kosmos 869 (Russian: Космос 869 meaning Cosmos 869) was an unmanned military Soyuz 7K-S test. It was a somewhat successful mission.

Mission parameters

  • Spacecraft: Soyuz 7K-S.
  • Mass: 6800 kg.
  • Crew: None.
  • Launched: November 29, 1976.
  • Landed: December 17, 1976 10:31 UTC.
  • Perigee: 209 km.
  • Apogee: 289 km.
  • Inclination: 51.7 deg.
  • Duration: 17.99 days.

Maneuver Summary

  • 196 km X 290 km orbit to 187 km X 335 km orbit. Delta V: 15 m/s.
  • 187 km X 335 km orbit to 259 km X 335 km orbit. Delta V: 21 m/s.
  • 259 km X 335 km orbit to 260 km X 345 km orbit. Delta V: 2 m/s.
  • 260 km X 345 km orbit to 265 km X 368 km orbit. Delta V: 7 m/s.
  • 265 km X 368 km orbit to 267 km X 391 km orbit. Delta V: 6 m/s.
  • 267 km X 391 km orbit to 300 km X 310 km orbit. Delta V: 32 m/s.

Total Delta V: 83 m/s.

See also


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