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VOSTOK SC FLIGHTS

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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 Aug -
7 Aug 1961
25:11
(25:18)
G.S. Titov
183
244
64.93
88.46
Vostok-3
4722
11 Aug -
15 Aug 1962
94:9:59
(94:22)
A.G. Nikolaev
180.7
234.6
64.98
88.33
Vostok-4
4728
12 Aug -
15 Aug 1962
70:44
(70:57)
P.R. Popovich
179.8
236.7
64.95
88.39
Vostok-5
4700
14 Jun -
19 Jun 1963
118:56:41
(119:6)
V.F. Bykovsky
174.7
222.1
64.96
88.27
Vostok-6
4700
16 Jun -
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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