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.
| |
LEO Easterly Orbit
(28.5 deg., 185 km) |
LEO Polar Orbit
(90 deg., 185 km) |
Estimated Launch Price |
Configuration |
Gross
Launch Mass |
| Athena I |
1,805 lbm
820 kg |
1,200 lbm
545 kg |
US
$16 - 17 M |
Castor 120 +
Orbus 21D +
OAM (Orbit Adjust Module) |
146,100 lbm
66,300 kg |
| Athena II |
4,520 lbm
2,065 kg |
3,470 lbm
1,575 kg |
US
$22 - 26 M |
Castor 120 +
Castor 120 +
Orbus 21D +
OAM (Orbit Adjust Module) |
266,100 lbm
120,700 kg |
* Performance from
AIAA, "International Reference Guide to Space Launch
Systems", 3rd edition.
Vehicle Configuration
| |
Stage 1
(Athena I) |
Stage 1 & 2 (Athena II) |
ESBM |
OAM - Orbit Adjust Module |
| Length |
35.2 ft
10.7 m |
Stage
1 33.3 ft
10.2 m Stage 2 41.0 ft 12.5
m |
10 ft
3 m |
3.3 ft
1.0 m |
| Diameter |
7.7 ft
2.3 m |
7.7 ft
2.3 m |
7.7 ft
2.3 m |
7.7 ft
2.3 m |
| Gross Mass |
117,100 lbm
53,100 kg |
117,100 lbm
53,100 kg |
25,562 lb
11,630 kg |
1,570 lbm
(max)
714 kg |
Propellant
Propellant Mass |
HTPB
107,400 lbm
48,700 kg |
HTPB
107,400 lbm
48,700 kg |
HTPB
23,840 lbm
10,810 kg |
Hydrazine
780 lb (max)
4354 kg (max) |
Engine**
Max Thrust
Max Isp |
Castor 120
360,500 lbf
1,604 kN
280 sec |
Castor 120
360,500 lbf
1,604 kN
280 sec |
Orbus 21D
42,400 lbf
187 kN
293 sec |
50 lbf
222 N
220-225 sec |
| Number of Engines |
1 |
1 |
1 |
4 |
| Nominal Burn Time |
83.4 sec |
83.4 sec |
150 sec |
1,500 sec (max) |
** Note: Vacuum engine performance
unless otherwise specified.
|
