Rockets

Starship·SpaceX

Super Heavy Prototype

activeReusable
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Specifications

Status
active
Height
70 m
Diameter
9 m
Mass
300,000 kg
Stages
1
Total launches
0
Success / Fail
0 / 0

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. Production began in 2021, with the first flight being conducted on April 20, 2023, during the first launch attempt of the Starship rocket.

Propulsion

First stage

33×Raptor 22,256 kN
CH4 / LOX · full-flow staged combustion
SpaceXIsp 363s (vac)since 2021Super Heavy booster

Second stage

3×Raptor 22,256 kN
CH4 / LOX · full-flow staged combustion
SpaceXIsp 363s (vac)since 2021sea-level, ship
3×Raptor Vacuum2,400 kN
CH4 / LOX · full-flow staged combustion
SpaceXIsp 380s (vac)since 2021ship