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 degree inclination) |
Estimated Launch Price |
Configuration |
Launch Mass |
| Atlas IIA |
6,760 lb
3,066 kg |
US $75 - $90 M |
Pressure Stabilized Booster
+ Centaur (2x RL-10A-4) |
413,800 lb
187,700 kg |
| Atlas IIAS |
8,200 lb
3,719 kg |
US $90 - $105 M |
Pressure Stabilized Booster
+ 4x Castor IVA Strap-Ons
+ Centaur (2x RL-10A-4) |
515,900 lb
234,000 kg |
* Performance from ILS Payload
User's Guide
Vehicle Configuration
| |
Solid Strap-On Booster
(Castor IVA) |
Stage 1 |
Stage 2
(Centaur) |
| Length |
30.0 ft
9.12 m |
81.7 ft
24.9 m |
33.5 ft
10.2 m |
| Diameter |
3.3 ft
1.0 m |
10 ft
3.0 m |
10 ft
3.0 m |
| Gross Mass |
25,500 lb
11,600 kg |
368,300 lb
167,100 kg |
41,800 lb
18,960 kg |
Propellant
Propellant Mass |
HTPB
22,300 lb
10,100 kg |
LOX / RP
344,500 lb
155,900 kg |
LOX / LH2
37,000 lb
16,780 kg |
Engine**
Thrust
Isp |
Castor IVA
97,500 lbf SL
432.9 kN SL
229 sec SL |
MA-5A
Booster
429,500 lbf
1,906 kN
265 secMA-5A
Sustainer
60,500 lbf
268,620 N
220 sec |
RL-10A-4
20,800 lb
92,500 N
448.9 sec |
| Number of Engines |
0 - 4 |
2x MA-5A Booster
1x MA-5A Sustainer |
2 |
| Nominal Burn Time |
56.2 sec |
172 sec (MA-5A Booster)
283 sec (MA-5A Sustainer) |
392 sec |
** Note: Vacuum engine performance
unless otherwise specified.
|
