Vehicle Overview
Note: Payload
performance and estimated cost provided for information only. If you are interested
in contracting for launch services, we recommend that you contact the service provider
directly using the information above.
| |
GTO Payload*
(28.7 deg.) |
Estimated Launch Price |
Configuration |
Launch Mass |
| Atlas IIIA |
8,900 lb
4,037 kg |
US $90 - $105 M |
Pressure Stabilized Booster +
Centaur (1x RL-10A-4-2) |
486,500 lb
220,635 kg |
| Atlas IIIB |
9,920 lb
4,500 kg |
US $90 - $105 M |
Pressure Stabilized Booster +
Stretched Centaur
(2x RL-10A-4-2) |
496,910 lb
225,392 kg |
* Performance from the Atlas
III Web Site
Vehicle Configuration
| |
Stage 1 |
Stage 2
(Centaur - IIIA) |
Stage 2
(Stretched Centaur - IIIB) |
| Length |
93.5 ft
28.5 m |
33.5 ft
10.2 m |
38.5 ft
11.7 m |
| Diameter |
10 ft
3.0 m |
10 ft
3.0 m |
10 ft
3.0 m |
| Gross Mass |
431,290 lb
195,630 kg |
41,800 lb
18,960 kg |
50,620 lb
22,960 kg |
Propellant
Propellant Mass |
LOX / RP
401,030 lb
181,903 kg |
LOX / LH2
37,000 lb
16,780 kg |
LOX / LH2
45,920 lb
20,830 kg |
Engine**
Thrust
Isp |
RD-180
860,400 lbf SL
3,820 kN SL
311 sec SL |
RL-10A-4-2
22,300 lbf
99,000 N
451 sec |
RL-10A-4-2
22,300 lbf
99,200 N
451 sec |
| Number of Engines |
1 |
1 |
2 |
| Nominal Burn Time |
180 sec |
770 sec |
455 sec |
** Note: Vacuum engine performance
unless otherwise specified.
|
