Ọkọ̀-àlọbọ̀ Òfurufú
 Ọkọ̀-àlọbọ̀ Òfurufú Discovery gbera fun iranlose STS-120. | |
| Function | Manned partially re-usable launch and reentry system |
|---|---|
| Manufacturer | United Space Alliance: Thiokol/Alliant Techsystems (SRBs) Lockheed Martin (Martin Marietta) – (ET) Rockwell/Boeing (orbiter) |
| Country of origin |  USA
|
| Size | |
| Height | 184 ft (56.1 m) |
| Diameter | 28.5 ft (8.69 m) |
| Mass | 4,470,000 lb (2,030 t) |
| Stages | 2 |
| Capacity | |
| Payload to LEO | 24,400 kg (53,600 lb) |
| Payload to GTO |
3,810 kg (8,390 lb) |
| Launch history | |
| Status | Active |
| Launch sites | LC-39, Kennedy Space Center SLC-6, Vandenberg AFB (unused) |
| Total launches | 128 |
| Successes | 127 |
| Failures | 1 (launch failure, Challenger) |
| Other | 1 (re-entry failure, Columbia) |
| Maiden flight | April 12, 1981 |
| Notable payloads | Tracking and Data Relay Satellites Spacelab Great Observatories Galileo Magellan Space Station components |
| Boosters (Stage 0) - Solid Rocket Boosters | |
| No boosters | 2 |
| Engines | 1 solid |
| Thrust | 2,800,000 lbf each, sea level liftoff (12.5 MN) |
| Specific impulse | 269 s |
| Burn time | 124 s |
| Fuel | solid |
| First stage - External Tank | |
| Engines | (none) (3 SSMEs located on Orbiter) |
| Thrust | 1,225,704 lbf total, sea level liftoff (5.45220 MN) |
| Specific impulse | 455 s |
| Burn time | 480 s |
| Fuel | LOX/LH2 |
| Second stage - Orbiter | |
| Engines | 2 OME |
| Thrust | 53.4 kN combined total vacuum thrust (12,000 lbf) |
| Specific impulse | 316 s |
| Burn time | 1250 s |
| Fuel | MMH/N2O4 |
Ọkọ̀-àlọbọ̀ Òfurufú
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