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Space Launch System Block 1 vs Atlas E Altair

RANKED BY PAYLOAD TO LOW EARTH ORBIT #4 VS #271 CHECKED 29 SEPT 2026

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Verdict

Space Launch System Block 1 ranks #4 of 311 on Payload to low Earth orbit (95,000 kg); Atlas E Altair ranks #271 (210 kg).

Rank 04 of 311 · leads

Payload to low Earth orbit

95,000 kg

Launches2

Success rate100%

Payload to GTO—

First flight16 Nov 2022

Height98 m

Liftoff thrust39,000 kN

Launch mass2,628 t

Launch cost$2,000,000,000

ReusableNo

StatusActive

Rank 271 of 311

Payload to low Earth orbit

210 kg

Launches1

Success rate100%

Payload to GTO—

First flight11 Apr 1990

Height—

Liftoff thrust—

Launch mass—

Launch cost—

ReusableNo

StatusRetired

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More Space Launch System Block 1 matchups

Source The Space Devs — Launch Library 2 Last checked 29 Sept 2026