Lockheed Martin Astronautics |
Atlas V (501) | Atlas V (521) | Atlas V (531) | Atlas V (541) | Atlas V (551) | |||||||
Overall |
Operational | from | 23.04.2010 | 17.07.2003 | 14.08.2010 | 26.11.2011 | 19.01.2006 | |||||
|
to | 06.10.2023 | 17.12.2004 | 04.10.2022 | 01.07.2022 | 10.09.2023 | ||||||
Orbital flights | 8 (incl. upgrade) | 2 | 5 (incl. upgrade | 9 (incl. upggrade) | 13 (incl. upgrade) | |||||||
Payload weight | t | GTO | 3.78 | GTO | 6.48 | GTO | 7.45 | GTO | 8.29 | GTO | 8.90 | |
Gross liftoff weight | t | 339.40 | 434.95 | 446.55 | 530.35 | 574.00 | ||||||
Gross propellant weight | t | 304.92 | 390.18 | 432.81 | 433.32 | 518.12 | ||||||
Total length | m | 62.45 | 59.70 | 59.70 | 59.70 | 59.70 | ||||||
Max. diameter (span) | m | |||||||||||
Total liftoff thrust (s.l.) | kN | 3,826 | ||||||||||
Total impulse (vac) | MN*s | 1,033.8 | 1,267.3 | 1,384.1 | 1,500.8 | 1,617.6 | ||||||
Fairing |
Total length | m | 20.70/23.45 | 20.70/23.45 | 20.70/23.45 | 20.70/23.45 | 20.70/23.45 | |||||
Diameter | m | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | ||||||
Total weight | t | 4.085/4.649 | 4.085/4.649 | 4.085/4.649 | 4.085/4.649 | 4.085/4.649 | ||||||
Stage 2 |
Name |
Cent. D-5 SEC | Cent. D-5 SEC | Cent. D-5 SEC | Cent. D-5 SEC | Cent. D-5 SEC | ||||||
Length (+interstage) | m | 6.54 (12.68) | 6.54 (12.68) | 6.54 (12.68) | 6.54 (12.68) | 6.54 (12.68) | ||||||
Diameter | m | 3.83 - 5.40 (3.05) | 3.83 - 5.40 (3.05) | 3.83 - 5.40 (3.05) | 3.83 - 5.40 (3.05) | 3.83 - 5.40 (3.05) | ||||||
Liftoff weight | t | 23.352 (+2.212) | 23.352 (+2.212) | 23.352 (+2.212) | 23.352 (+2.212) | 23.352 (+2.212) | ||||||
Propellant weight | t | 20.830 | 20.830 | 20.830 | 20.830 | 20.830 | ||||||
Engines (Chambers) | RL-10A-4-2 (1) | RL-10A-4-2 (1) | RL-10A-4-2 (1) | RL-10A-4-2 (1) | RL-10A-4-2 (1) | |||||||
Propellant | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | |||||||
Total thrust (vac) | kN | 97.8 | 97.8 | 97.8 | 97.8 | 97.8 | ||||||
Specific impulse (vac) | N*s/kg | 4378 | 4378 | 4378 | 4378 | 4378 | ||||||
Burn time | s | 932 | 932 | 932 | 932 | 932 | ||||||
Total impulse (vac) | MN*s | 91.2 | 91.2 | 91.2 | 91.2 | 91.2 | ||||||
Stage 1 |
Name | CCB | CCB | CCB | CCB | CCB | ||||||
Length | m | 32.46 | 32.46 | 32.46 | 32.46 | 32.46 | ||||||
Diameter | m | 3.81 | 3.81 | 3.81 | 3.81 | 3.81 | ||||||
Liftoff weight | t | 305.440 | 305.440 | 305.440 | 305.440 | 305.440 | ||||||
Propellant weight | t | 284.089 | 284.089 | 284.089 | 284.089 | 284.089 | ||||||
Engines (Chambers) | RD-180 (2) | RD-180 (2) | RD-180 (2) | RD-180 (2) | RD-180 (2) | |||||||
Propellant | Kerosene/LOX | Kerosene/LOX | Kerosene/LOX | Kerosene/LOX | Kerosene/LOX | |||||||
Total thrust (s.l.) | kN | 3,826.2 | 3,826.2 | 3,826.2 | 3,826.2 | 3,826.2 | ||||||
Specific impulse (s.l.) | N*s/kg | 3058 | 3058 | 3058 | 3058 | 3058 | ||||||
Burn time | s | 227 (100%) | 227 (100%) | 227 (100%) | 227 (100%) | 227 (100%) | ||||||
Total impulse (vac) | MN*s | 942.6 | 942.6 | 942.6 | 942.6 | 942.6 | ||||||
Booster |
Name | 2 SRB | 3 SRB | 4 SRB | 5 SRB | |||||||
Length | m | 20.42 (17.70) | 20.42 (17.70) | 20.42 (17.70) | 20.42 (17.70) | |||||||
Diameter | m | 1.55 | 1.55 | 1.55 | 1.55 | |||||||
Liftoff weight | t | 93.39 | 104.09 | 186.79 | 233.48 | |||||||
Propellant weight | t | 85.26 | 127.89 | 170.52 | 213.15 | |||||||
Engines (Chambers) | Aerojet AJ-60A | Aerojet AJ-60A** | Aerojet AJ-60A | Aerojet AJ-60A | ||||||||
Propellant | solid HTPB | solid HTPB | solid HTPB | solid HTPB | ||||||||
Total thrust (s.l.) | kN | 2,220.0 (av.) | 3,330.0 (av.) | 4,440.0 (av.) | 5,550.0 (av.) | |||||||
Specific impulse (s.l.) | N*s/kg | 2447 | 2447 | 2447 | 2447 | |||||||
Burn time | s | 93.8 | 93.8 | 93.8 | 93.8 | |||||||
Total impulse (vac) | MN*s | 233.5 | 350.3 | 467.0 | 583.8 |
Note: 18.05.2021 and 19.05.2022 first time new GEM-63 boosters |