Atlas III
Country of Origin: United States
Manufacturer: Lockheed Martin
Height: 52.8 m
Diameter: 3.05 m (4.2 m fairing)
Payload to LEO: 8.64 – 10.22 tons (GTO: 4.055 – 4.5 tons)
Total Mass: 214.338 tons
Launch Sites: Cape Canaveral
First Flight: May 24, 2000
Last Flight: February 3, 2005
Total Launches: 6
Successful Launches: 6
Atlas IIIA
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL/Vac.) | Mass/Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.05 m | RP-1 / LOX | RD-180 | 145 s | 4148.7 kN | 311 / ? s | 195.62 / 13.73 tons |
| 2 (Centaur) | 3.05 m | LH2 / LOX | RL-10A-4 | 738 s | 99.2 kN | ? / 450 s | 19.115 / 2.185 tons |
Atlas IIIB DEC
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL/Vac.) | Mass/Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.05 m | RP-1 / LOX | RD-180 | 145 s | 4148.7 kN | 311 / ? s | 195.62 / 13.73 tons |
| 2 (Centaur) | 3.05 m | LH2 / LOX | 2 x RL-10A-4 | 460 s | 2 x 99.2 kN | ? / 450 s | 23.26/ 2.59 tons |
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