Zenit-3F

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Zenit-3F
Function Carrier rocket
Manufacturer Yuzhnoye
Country of origin  Ukraine
Size
Height 59.6 metres (196 ft)
Diameter 3.9 metres (13 ft)
Mass 471,000 kilograms (1,038,000 lb)
Stages Three
Capacity
Payload to GTO 4,000 kilograms (8,800 lb)[1]
Associated rockets
Family Zenit
Launch history
Status Active
Launch sites Baikonur Site 45/1
First stage - Zenit-2SB First stage[2]
Length 32.9 m (108 ft)
Diameter 3.9 m (13 ft)
Empty mass 27,564 kg (60,768 lb)
Gross mass 354,350 kg (781,210 lb)
Propellant mass RG-1: 90,219 kg (198,899 lb)
LOX: 236,567 kg (521,541 lb)
Engines RD-171
Thrust Sea Level: 7,257 kN (1,631,000 lbf)
Vacuum: 7,908 kN (1,778,000 lbf)
Specific impulse Sea Level: 309.5 s (3.035 km/s)
Vacuum: 337.2 s (3.307 km/s)
Burn time 140-150 seconds
Fuel LOX/RG-1
Second stage - Zenit-2SB Second stage[2]
Length 10.4 m (34 ft)
Diameter 3.9 m (13 ft)
Empty mass 8,307 kg (18,314 lb)
Gross mass 90,794 kg (200,167 lb)
Propellant mass RG-1: 23,056 kg (50,830 lb)
LOX: 59,431 kg (131,023 lb)
Engines 1 RD-120
1 RD-8
Thrust RD-120: 912 kilonewtons (205,000 lbf)
RD-8: 79.4 kilonewtons (17,800 lbf)
Specific impulse Vacuum:
RD-120: 350 s (3.4 km/s)
RD-8: 342.8 s (3.362 km/s)
Burn time 360-370 seconds
Fuel LOX/RG-1
Third stage - Fregat-SB
Engines 1 S5.92
Thrust 19.6 kilonewtons (4,400 lbf)
Specific impulse 327 sec
Burn time 877 seconds
Fuel N2O4/UDMH

The Zenit-3F, Zenit-3SLBF or Zenit-2SB/Fregat is an expendable carrier rocket. It is a member of the Zenit family of rockets, which were designed by the Yuzhnoye Design Office of Ukraine.

Launches of Zenit-3SLBF rockets are conducted from Baikonur Cosmodrome Site 45/1. The rocket consists of a Zenit-2SB (Zenit-2M) core vehicle, with a Fregat-SB upper stage, developed by NPO Lavochkin of Russia, in place of the Block-DM used on the Zenit-3SL and 3SLB.

The first launch of a Zenit-3F took place on 20 January 2011. The payload was an Elektro-L new generation weather satellite.[3] A Zenit-3F was also used to successfully launch the Spektr-R radio astronomy satellite on 18 July 2011.

Launches

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# Date and Time(UTC) Payload Orbit Outcome
1 20 January 2011
12:29
Elektro-L No.1 GEO Success
2 18 July 2011
02:31
Spektr-R HEO Success
3 11 December 2015
13:45
Elektro-L No.2 GEO Success
References: [4]

References

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