Minotaur I
Country of Origin: United States
Manufacturer: Orbital Sciences
Height: 19.21 m
Diameter: 1.67 m
Payload to LEO: 580 kg
Total Mass: 36.2 tons
Launch Sites: Vandenberg, Wallops
First Flight: January 27, 2000
Last Flight: Active
Total Launches: 11
Successful Launches: 11
Minotaur I
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 (M55A1) | 1.67 m | Solid | 935 kN | ||||
| 2 (SR19) | Solid | 268 kN | |||||
| 3 (Orion 50XL) | Solid | 69.1 s | 118.2 kN | 16.17 tons / 1.092 tons | |||
| 4 (Orion 38) | Solid | 67.7 s | 34.8 kN | 1.966 tons / 0.243 tons |
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