Titan II(23)G
Country of Origin: United States
Manufacturer: Martin Marietta
Height: 31.4 m
Diameter: 3.05 m
Payload to LEO: 3.6 tons
Total Mass: 117.02 tons
Launch Sites: Vandenberg
First Flight: September 5, 1988
Last Flight: October 18, 2003
Total Launches: 13
Successful Launches: 12
Titan II(23)G
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.05 m | Aerozine 50 / N2O4 | LR87-7 | 156 s | 2 x 1086.1 kN | 258 s / 296 s | |
| 2 | 3.05 m | Aerozine 50 / N2O4 | LR91-7 | 180 s | 445 kN | ? / 316 s | |
| 3 (opt.) | Solid | Star-37XFP | 67 s | 38.03 kN | ? / 290 s | 955.3 kg / 71.1 kg | |
| 3 (opt.) | Solid | Star-37S | ? / 287.3 s | 711.4 kg / 53.4 kg |
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