Vostok-2 (rocket)

Vostok-2
	Vostok-2 rocket
Function	Carrier rocket
Manufacturer	OKB-1
Country of origin	USSR
Size
Stages	Two
Capacity
Payload to LEO
Mass	4,730 kilograms (10,430 lb)
Associated rockets
Family	R-7
Derivative work	Vostok-2M
Launch history
Status	Retired
Launch sites	Baikonur Site 1/5 & 31/6; Plesetsk Site 41/1
Total launches	45
Success(es)	40
Failure(s)	5
First flight	1 June 1962
Last flight	12 May 1967
Type of passengers/cargo	Zenit
Boosters
No. boosters	4
Powered by	1 RD-107-8D74K
Maximum thrust	995.3 kilonewtons (223,800 lbf)
Burn time	118 seconds
Propellant	RP-1/LOX
First stage
Powered by	1 RD-108-8D75K
Maximum thrust	940 kilonewtons (210,000 lbf)
Burn time	301 seconds
Propellant	RP-1/LOX
Second stage
Powered by	1 RD-0109
Maximum thrust	54.5 kN
Burn time	365 seconds
Propellant	RP-1/LOX
	[edit on Wikidata]

The Vostok-2 (Russian: Восток meaning "East"), GRAU index 8A92 was an expendable carrier rocket used by the Soviet Union between 1962 and 1967.^[1] Forty five were launched, of which five failed.^[2]^[1] It was derived from the earlier Vostok-K, with uprated engines. It was a member of the Vostok family of rockets.^[3]

The Vostok-2 switched to the newer 8K74 core and featured the 8D74K first stage engines from the Molniya 8K78 booster which gave it improved performance over the older Vostok 8K72K.

The Vostok-2 made its maiden flight on 1 June 1962, from Site 1/5 at the Baikonur Cosmodrome. One of the booster engines shut down 1.8 seconds after launch, and the rocket came down 300 metres (980 ft) away from the pad. The resulting explosion damaged the launch complex, and necessitated delays to several other launches that had been scheduled from that complex, including Vostok 3 and Vostok 4.^[2] Thirteen months later, on 10 July 1963, an almost identical failure occurred. The other three failures were caused by a second stage malfunction, a second stage guidance problem, and a problem with the first stage.

The Vostok-2 was used exclusively to launch Zenit-2 reconnaissance satellites. Launches occurred from sites 1/5 and 31/6 at Baikonur, and Site 41/1 at Plesetsk. In 1967, it was retired in favour of the Voskhod due to the growing mass and complexity of the Zenit satellites.

Launches

Vostok-2 was launched forty five times.^[2]^[1]

Vostok-2 8A92 launches^[2]^[1]
Date	Serial No.	Site	Payload	Result
01.06.1962	E15000-01	Baikonur LC-1/5	Kosmos (6) (Zenit-2 #3)	Failure
28.07.1962	T15000-07	Baikonur LC-1/5	Kosmos 7 (Sputnik 17) (Zenit-2 #4)	Success
27.09.1962	T15000-06	Baikonur LC-1/5	Kosmos 9 (Zenit-2 #5)	Success
17.10.1962	T15000-03	Baikonur LC-1/5	Kosmos 10 (Zenit-2 #6)	Success
22.12.1962	T15000-10	Baikonur LC-1/5	Kosmos 12 (Zenit-2 #7)	Success
21.03.1963	T15000-01	Baikonur LC-1/5	Kosmos 13 (Zenit-2 #8)	Success
22.04.1963	T15000-08	Baikonur LC-1/5	Kosmos 15 (Zenit-2 #9)	Success
28.04.1963	E15000-02	Baikonur LC-1/5	Kosmos 16 (Zenit-2 #10)	Success
24.05.1963	E15000-12	Baikonur LC-1/5	Kosmos 18 (Zenit-2 #11)	Success
10.07.1963	E15000-04	Baikonur LC-1/5	Kosmos (19b) (Zenit-2 #12)	Failure
18.10.1963	G15001-01	Baikonur LC-1/5	Kosmos 20 (Zenit-2 #13)	Success
28.11.1963	G15001-02	Baikonur LC-1/5	Kosmos (23) (Zenit-2 #14)	Failure
19.12.1963	G15001-03	Baikonur LC-1/5	Kosmos 24 (Zenit-2 #15)	Success
04.04.1964	G15001-04	Baikonur LC-31/6	Kosmos 28 (Zenit-2 #16)	Success
25.04.1964	R15001-01	Baikonur LC-31/6	Kosmos 29 (Zenit-2 #17)	Success
10.06.1964	R15001-02	Baikonur LC-31/6	Kosmos 32 (Zenit-2 #18)	Success
23.06.1964	G15001-05	Baikonur LC-31/6	Kosmos 33 (Zenit-2 #19)	Success
15.07.1964	R15001-03	Baikonur LC-31/6	Kosmos 35 (Zenit-2 #20)	Success
14.08.1964	R15001-04	Baikonur LC-31/6	Kosmos 37 (Zenit-2 #21)	Success
24.09.1964	R15001-05	Baikonur LC-31/6	Kosmos 46 (Zenit-2 #22)	Success
14.10.1964	R15002-01	Baikonur LC-31/6	Kosmos 48 (Zenit-2 #23)	Success
28.10.1964	R15002-02	Baikonur LC-31/6	Kosmos 50 (Zenit-2 #24)	Success
11.01.1965	R15002-03	Baikonur LC-31/6	Kosmos 52 (Zenit-2 #25)	Success
25.03.1965	G15001-06	Baikonur LC-31/6	Kosmos 64 (Zenit-2 #26)	Success
07.05.1965	R15002-04	Baikonur LC-31/6	Kosmos 66 (Zenit-2 #27)	Success
15.06.1965	U15001-01	Baikonur LC-31/6	Kosmos 68 (Zenit-2 #28)	Success
13.07.1965	R15002-05	Baikonur LC-31/6	Kosmos (71) (Zenit-2 #29)	Failure
14.08.1965	U15001-02	Baikonur LC-31/6	Kosmos 78 (Zenit-2 #30)	Success
27.11.1965	U15001-05	Baikonur LC-31/6	Kosmos 98 (Zenit-2 #31)	Success
10.12.1965	U15001-04	Baikonur LC-31/6	Kosmos 99 (Zenit-2 #32)	Success
07.01.1966	U15001-08	Baikonur LC-31/6	Kosmos 104 (Zenit-2 #33)	Partial Success
22.01.1966	U15001-10	Baikonur LC-31/6	Kosmos 105 (Zenit-2 #34)	Success
10.02.1966	U15001-06	Baikonur LC-31/6	Kosmos 107 (Zenit-2 #35)	Success
17.03.1966	U15001-09	Plesetsk LC-41/1	Kosmos 112 (Zenit-2 #36)	Success
20.04.1966	U15001-07	Baikonur LC-31/6	Kosmos 115 (Zenit-2 #37)	Success
06.05.1966	N15001-01	Baikonur LC-31/6	Kosmos 117 (Zenit-2 #38)	Success
16.09.1966	N15001-02	Baikonur LC-31/6	Kosmos (129) (Zenit-2 #41)	Failure
14.10.1966	U15001-05	Plesetsk LC-41/1	Kosmos 129 (Zenit-2 #42)	Success
19.11.1966	N15001-08	Baikonur LC-31/6	Kosmos 132 (Zenit-2 #43)	Success
19.12.1966	N15001-09	Plesetsk LC-41/1	Kosmos 136 (Zenit-2 #44)	Success
19.01.1967	N15001-05	Plesetsk LC-41/1	Kosmos 138 (Zenit-2 #45)	Success
27.02.1967	U15001-03	Baikonur LC-1/5	Kosmos 143 (Zenit-2 #46)	Partial Success
13.03.1967	N15001-06	Plesetsk LC-41/1	Kosmos 147 (Zenit-2 #47)	Success
04.04.1967	Ya15001-06	Plesetsk LC-41/1	Kosmos 153 (Zenit-2 #48)	Success
12.05.1967	Ya15001-02	Baikonur LC-1/5	Kosmos 157 (Zenit-2 #49)	Success

References

^ ^a ^b ^c ^d "Vostok-2 (8A92)". Gunter's Space Page. Retrieved 2023-10-22.
^ ^a ^b ^c ^d Wade, Mark. "Soyuz". Encyclopedia Astronautica. Archived from the original on 2010-01-07. Retrieved 2009-04-15.
^ "Vostok". Gunter's Space Page. Retrieved 2023-10-22.

[:0-1] "Vostok-2 (8A92)". Gunter's Space Page. Retrieved 2023-10-22.

[EA-2] Wade, Mark. "Soyuz". Encyclopedia Astronautica. Archived from the original on 2010-01-07. Retrieved 2009-04-15.

[3] "Vostok". Gunter's Space Page. Retrieved 2023-10-22.

[1]

[2]

[3]

v t e Soviet and Russian launch vehicles
Active	Angara 1.2 A5 Soyuz-2 2.1a 2.1b 2-1v UR Proton-M
In development	Amur Irtysh Yenisei
Retired	Dnepr Energia Kosmos 1 2I 3 3M N1 R-7 Luna Molniya M L Polyot Soyuz original L M U U2 FG Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna Start-1 Tsyklon original 2 3 UR UR-500 Proton-K Rokot Strela Zenit 2 2M 3SL 3SLB 3F
Cancelled (no launch attempts)	Tsyklon-4 Proton Light Medium

v t e Orbital launch systems
List of orbital launch systems Comparison of orbital launch systems
Current	Angara 1.2 A5 Ariane 6 Atlas V Ceres 1 1S Chollima-1 Electron Falcon 9 Block 5 Falcon Heavy Firefly Alpha Gravity-1 GSLV H-IIA H3 Hyperbola-1 Jielong 1 3 KAIROS^† Kaituozhe 2 Kinetica 1 Kuaizhou 1 1A 11 Long March 2C 2D 2F 3A 3B/E 3C 4B 4C 5 5B 6 6A 7 7A 8 11 11H LVM3 Minotaur I IV V C Nuri OS-M1^† Pegasus XL Proton-M PSLV Qaem 100 Qased RS1^† Shavit 2 Simorgh SLS Block 1 Soyuz-2 2.1a / STA 2.1b / STB 2-1v SSLV Starship Tianlong-2 Unha Vega C Vulcan Centaur Zhuque 2
In development	Antares 330 Bloostar Cyclone-4M Deca Epsilon S Eris Gravity-2 Hyperbola-2 Irtysh Kuaizhou 21 31 Long March 9 10 12 Miura 5 MLV Neutron New Glenn New Line 1 NGLV Nova OS-M 2 4 Orbex Prime Pallas-1 Red Dwarf SLS Block 1B Block 2 Soyuz-7 Terran R Tianlong-3 VLM Vega E Zero Zhuque 3 Zuljanah
Retired	Antares 110 120 130^† 230 230+ Ariane 1 2 3 4 5 ASLV Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able^† Agena Centaur Black Arrow Conestoga^† Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 II III IV IV Heavy Diamant Dnepr Energia Epsilon Europa I^† II^† Falcon 1 Falcon 9 v1.0 v1.1 v1.2 "Full Thrust" Feng Bao 1 GSLV Mk I H-I H-II H-IIB Juno I Juno II Kaituozhe-1 Kosmos original 1 2/2I 3 3M Lambda 4S LauncherOne Long March 1 1D^† 2A 2E 3 3B 4A Mu 4S 3C 3H 3S 3SII V N1^† N-I N-II Naro-1 Paektusan^† Pilot-2^† R-7 Luna Molniya M L Polyot Soyuz original FG L M U U2 Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna^† Rocket 3 Safir 1 1A 1B Saturn I IB V Scout X-1 Blue Scout II^† X-2^† X-2M X-3 X-3M X-4 X-2B^† B A B-1 D-1 A-1 E-1 F-1 G-1 Shavit original 1 SLV Space Shuttle SPARK^† Sparta SS-520 Start-1 Terran 1^† Thor Able Ablestar 1 2 Agena A B D Burner 1 2 Delta DSV-2U Thorad-Agena SLV-2G SLV-2H Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Tsyklon R-36-O original 2 3 Universal Rocket UR-500 Proton Proton-K Rokot Strela Vanguard Vega original VLS-1^† Zenit 2 2M 2FG 3SL 3SLB 3F Zhuque 1^†
Classes	Sounding rocket Small-lift launch vehicle Medium-lift launch vehicle Heavy-lift launch vehicle Super heavy-lift launch vehicle
This Template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future Symbol ^† indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)