Russian

History of Manned Flights

Vostok SC Flights


Vostok SC flights
SC Spacecraft
mass,
kg
Date of
launch
and
return to
Earth
Spacecraft
flight
duration
(DV)
Crew Orbit initial parameters
Perigee
altitude,
km
Apogee
altitude,
km
Incli-
nation,
deg.
Period,
min
Vostok 4725 12 Apr 1961 (1:48) Yu.A. Gagarin 181 327 64.95 89.34
Vostok-2 4731 6-7 Aug 1961 25:11
(25:18)
G.S. Titov 183 244 64.93 88.46
Vostok-3 4722 11-15 Aug 1962 94:9:59
(94:22)
A.G. Nikolaev 180.7 234.6 64.98 88.33
Vostok-4 4728 12-15 Aug 1962 70:44
(70:57)
P.R. Popovich 179.8 236.7 64.95 88.39
Vostok-5 4700 14-19 Jun 1963 118:56:41
(119:6)
V.F. Bykovsky 174.7 222.1 64.96 88.27
Vostok-6 4700 16-19 Jun 1963 70:40:48
(70:50)
V.V. Tereshkova 180.9 231.1 64.95 88.3

 

Flights of Vostok SC unmanned modifications
(spacecraft-satellites)
SC Spacecraft mass,
kg
Date
of
launch
Spacecraft
flight
duration
(DV)
Orbit initial parameters Flight special features
Perigee
altitude,
km
Apogee
altitude,
km
Incli-
nation,
deg.
Period,
min
First
spacecraft-
satellite
4540 15 May
1960
-- 312 369 65 91.2

Verification of SC structure and systems with a cargo simulating a cosmonaut mass. SC was put into an off-design orbit (following brake engine operation) because of a failure of one of attitude control system devices.

Second
spacecraft-
satellite
4600 19 Aug
1960
27 306 339 64.95 90.7

Verification of the structure and systems, including LSS. Performance of biomedical experiments with dogs and other animals under test. DV returned to Earth on August 20, 1960.

Third
spacecraft-
satellite
4563 01 Dec
1960
24 187 265 65 88.6

Verification of the structure and systems. Performance of biomedical experiments with dogs and other animals under test. It burnt in the upper atmosphere on December 02, 1960, because of off-design descent.

Fourth
spacecraft-
satellite
4700 09 Mar
1961
1.92 183.5 248.8 64.93 88.4

Verification of the structure and systems. Performance of biomedical experiments with dogs and other biological objects under test. Return of SC with animals to the Earth. Ejection and parachute landing of a dummy simulating an equipped cosmonaut.

Fifth
spacecraft-
satellite
4695 25 Mar
1961
1.92 178 247 64.9 88.42

Verification of structures and systems designed to support human vital functions during his flight in space return to the Earth. Performance of biomedical experiments with dogs and other biological objects under test. Return of SC with animals to the Earth.

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