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Space Launch System Block 1

The Space Launch System (SLS) is an American super heavy-lift expendable launch vehicle under development by NASA. It is the primary launch vehicle of the Artemis lunar exploration program.

Identity

Family Name
SLS
Full Name
Space Launch System Block 1
Reusability
expendable
Slug
sls-block-1
Status
active
Type
rocket
Variant Name
Block 1

Details

Description
The Space Launch System (SLS) is an American super heavy-lift expendable launch vehicle under development by NASA. It is the primary launch vehicle of the Artemis lunar exploration program.
Diameter M
8.4
Engines
  • Count
    4
    Name
    RS-25
    Placement
    core
  • Count
    2
    Name
    Five-segment Solid Rocket Booster
    Placement
    booster
  • Count
    1
    Name
    RL10B-2 (ICPS)
    Placement
    upper
First Flight Year
2,022
Height M
98
Liftoff Mass Kg
2,600,000
Manufacturer Id
vh76vnx3yy1vy23j7zc3wk80wx7nhx5f
Operator Id
vh76vnx3yy1vy23j7zc3wk80wx7nhx5f
Payload Capacity Kg
Leo
95,000
Stages Count
2
Strap On Boosters Count
2

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Creation Time
2/21/2026, 2:31:27 AM
Updated Time
2/21/2026, 2:31:27 AM