The Atlas V

Fact sheet
Function EELV/Medium-heavy launch vehicle
Manufacturer United Launch Alliance
Country of origin United States
Size
Height 58.3 m (191.2 ft)
Diameter 3.81 m (12.49 ft)
Mass 546,700 kg (1,205,200 lb)
Stages 2
Capacity
Payload to LEO 10,300 - 20,050 kg
Payload toGTO 4,100 - 8,200 kg
Launch History
Status Active
Launch sites LC-41, CCAFS SLC-3E, Vandenberg AFB
Total launches 14 For breakdown by variant, see text
Successes 13
Partial failures 1 (401) Maiden flight 21 August 2002
Notable payloads Mars Reconnaissance Orbiter New Horizons
Boosters (Not Heavy) - Aerojet
No boosters 1 to 5 (see text)
Engines 1 Solid
Thrust 1,270 kN (285,500 lbf)
Specific impulse 275 sec
Burn time 94 seconds
Fuel Solid
Boosters (Atlas V Heavy (5HX)) - Atlas CCB
No boosters 2
Engines 1 RD-180
Thrust 4,152 kN (933,406 lbf)
Specific impulse 311 sec
Burn time 253 seconds
Fuel RP-1/LOX
First Stage - Atlas CCB
Engines 1 RD-180
Thrust 4,152 kN (933,406 lbf)
Specific impulse 311 sec
Burn time 253 seconds
Fuel RP-1/LOX
Second Stage (Atlas V XX1) - Centaur
Engines 1 RL-10A
Thrust 99.2 kN (22,290 lbf)
Specific impulse 451 sec
Burn time 842 seconds
Fuel LH2/LOX
Second Stage (Atlas V XX2) - Centaur
Engines 2 RL-10A
Thrust 147 kN (41,592 lbf)
Specific impulse 449 sec
Burn time 421 seconds
Fuel LH2/LOX