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.jpg) Super Heavy Booster 12 approaching the tower during Starship flight test 5 on October 13, 2024 | |
| Manufacturer | SpaceX |
|---|---|
| Country of origin | United States |
| Used on | SpaceX Starship |
| Launch history | |
| Status | In development |
| Total launches | 7 |
| Failed | 1 (Flight 1) |
| Other | Failed after staging: 2 (Flight 2, Flight 3) |
| First flight | April 20, 2023 |
| Block 1 Super Heavy | |
| Height | 71 m (233 ft),[1] 69 m (226 ft) without Vented Interstage |
| Diameter | 9 m (30 ft) |
| Empty mass | 275,000 kg (606,000 lb) |
| Gross mass | 3,675,000 kg (8,102,000 lb) |
| Propellant mass | 3,400,000 kg (7,500,000 lb)[2] |
| Powered by | 33 × Raptor 2 engines |
| Maximum thrust | 73.5 MN (16,500,000 lbf)[3] |
| Specific impulse | SL: 327 s (3.21 km/s), Vac: 347 s (3.40 km/s) |
| Burn time | 166 seconds |
| Propellant | CH4 / LOX |
Super Heavy is the reusable first stage of the SpaceX Starship super heavy-lift launch vehicle, which it composes in combination with the Starship second stage. As a part of SpaceX's Mars colonization program, the booster evolved into its current design over a decade.[4][5][6] Production began in 2021, with the first flight being conducted on April 20, 2023, during the first launch attempt of the Starship rocket.[7][1]
The booster is powered by 33 Raptor engines that use liquid oxygen and methane as propellants. It returns to its launch site after propelling the second stage toward orbit. There, it lands vertically by being caught by its launch tower, enabling full reusability.
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