Space Launch System Block 1
Space Launch System family · National Aeronautics and Space Administration · Active
The Space Launch System (SLS) is an American Space Shuttle-derived heavy expendable launch vehicle. It is part of NASA's deep space exploration plans including as the main launch vehicle of the Artemis program. SLS follows the cancellation of the Constellation program, and is to replace the retired Space Shuttle.
Specifications
- Thrust
- 39,000 kN
- Height
- 98 m
- Diameter
- 8.4 m
- Launch mass
- 2,628 t
- Stages
- 2
- Launch cost
- $2,000M
- LEO capacity
- 95,000 kg
- GTO capacity
- —
- GEO capacity
- —
- SSO capacity
- —
Vehicle specifications from Launch Library; blanks are unpublished figures.
Flight record
Flights
2
Launches with a definitive outcome
Success rate
100%
2 of 2
Current success streak
2
Landings
0
0 attempts · 0 droneship / 0 RTLS
Fastest turnaround
—
Between consecutive booster flights
Counted from padside's own launch record — the same basis as the Stats page.
Launches
Next: SLS Block 1 | Artemis III — June 30, 2027
- SLS Block 1 | Artemis II — Success
- SLS Block 1 | Artemis I — Success