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Soyuz 10
Mission insignia
Soyuz 10.png
Mission statistics
Mission name Soyuz 10
Spacecraft mass 6,800 kg (15,000 lb)
Crew size 3 [1]
Call sign Гранит (Granit - "Granite")[1]
Launch pad Gagarin's Start[2]
Launch date April 23 1971 23:54:06 (1971-04-23T23:54:06) UTC
Landing April 25 1971 23:40:00 (1971-04-25T23:41) UTC
120 km (75 mi) NW of Karaganda
Mission duration 1d/23:45:54
Number of orbits 32
Apogee 258 km (160 mi)
Perigee 209 km (130 mi)
Orbital period 89.1 min
Orbital inclination 51.6°
Related missions
Previous mission Next mission
Soyuz9.png Soyuz 9 Soyuz-11.gif Soyuz 11

Soyuz 10 (Russian: Союз 10, Union 10) was a 1971 Soviet manned mission to the world's first space station, Salyut 1. However, the docking was not successful and the crew returned to Earth without having entered the station.


Mission Highlights

Although the Soyuz 10 spacecraft successfully brought cosmonauts Vladimir Shatalov, Aleksei Yeliseyev, and Nikolai Rukavishnikov to the station, they could not dock with it. While the Soyuz physically locked onto Salyut, the connection was not secure enough for the cosmonauts to enter the station safely. [1]

Additionally, it appeared that the hatch inside the Soyuz was jammed. This led the Soyuz having difficulty detaching from the station when the mission was called off. One last hitch presented itself upon re-entry when the capsule became filled with toxic fumes, causing Rukavishnikov to pass out.

Fortunately, all three crew members recovered from the ordeal unscathed.


Position Cosmonaut
Commander Vladimir Shatalov
Third spaceflight
Flight Engineer Aleksei Yeliseyev
Third spaceflight
Test Engineer Nikolai Rukavishnikov
First spaceflight

Backup crew

Position Cosmonaut
Commander Aleksei Leonov
Flight Engineer Valeri Kubasov
Test Engineer Pyotr Kolodin

Reserve crew

Position[1] Cosmonaut
Commander Georgi Dobrovolski
Flight Engineer Vladislav Volkov
Test Engineer Viktor Patsayev

Mission parameters

  • Mass: 6,800 kg (15,000 lb)
  • Perigee: 209 km (130 mi)
  • Apogee: 258 km (160 mi)
  • Inclination: 51.6°
  • Period: 89.1 min



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