Athena I
Country of Origin: United States
Manufacturer: Lockheed Martin
Height: 18.9 m
Diameter: 2.36 m
Payload to LEO: 820 kg
Total Mass: 66.3 tons
Launch Sites: Cape Canaveral, Vandenberg, Kodiak
First Flight: August 15, 1995
Last Flight: September 30, 2001
Total Launches: 4
Successful Launches: 3
Athena I
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL/Vac.) | Mass/Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 2.36 m | HTPB | Castor 120 | 83 s | 1900 kN | ? / 280 s | |
| 2 | 2.36 m | HTPB | Orbus 21D | 150 s | 189.2 kN | ? / 293 s | |
| 3 (OAM) | 2.36 m | Hydrazine | 4 x MR-107 | 1500 s | 4 x 221 N | ? / 222 s |
Athena Ic
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL/Vac.) | Mass/Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 2.36 m | HTPB | Castor 120 | 83 s | 1900 kN | ? / 280 s | |
| 2 | 2.36 m | HTPB | Castor 30 | 143 s | 258.9 kN | ? / 294 s | |
| 3 (OAM) | 2.36 m | Hydrazine | 4 x MR-107 | 1500 s | 4 x 221 N | ? / 222 s |
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