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Vostok 4

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Vostok 4
Mission Insignia
vostok3-4patch.png
Mission Statistics
Mission Name: Vostok 4
Call Sign: Беркут (Berkut - "Golden Eagle")
Number of Crew Members: 1
Launch: August 12, 1962
08:02:33 UTC
Baikonur LC1
Landing: August 15, 1962
06:59 UTC
|- | Duration: | 2 days, 22 hours, 56 minutes |- | Number of Orbits: | 48 |}

Vostok 4 was a mission in the Soviet space program. It was launched a day after Vostok 3 with cosmonaut Pavel Popovich on board - the first time that more than one manned spacecraft was in orbit at the same time. The two capsules came within 5 km of one another and ship-to-ship radio contact was established.

The mission went largely as planned, despite a malfunction with the Vostok's life-support systems that meant that cabin temperature dropped down to 10 °C. The flight was terminated early, after a misunderstanding by ground control, who believed that Popovich had given them a code-word asking to be brought back ahead of schedule.

The re-entry capsule is now on display at the NPO Zvezda Museum in Moscow, but it has been modified to represent the Voskhod 2 capsule.

Crew

Backup

Mission parameters

  • Mass: 4728 kg
  • Perigee: 159 km
  • Apogee: 211 km
  • Inclination: 65.0°
  • Period: 88.2 minutes


Vostok programme

Sputnik 4 > Sputnik 5 | Sputnik 6 | Sputnik 9 | Sputnik 10 | Vostok 1 | Vostok 2 | Vostok 3 | Vostok 4 | Vostok 5 | Vostok 6

 


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