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Space Launch System Block 1 vs Atlas I

RANKED BY PAYLOAD TO LOW EARTH ORBIT #4 VS #125 CHECKED 29 SEPT 2026

Side by side

Verdict

Space Launch System Block 1 ranks #4 of 311 on Payload to low Earth orbit (95,000 kg); Atlas I ranks #125 (5,900 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 125 of 311

Payload to low Earth orbit

5,900 kg

Launches11

Success rate81.8%

Payload to GTO—

First flight25 Jul 1990

Height43.9 m

Liftoff thrust1,939 kN

Launch mass164 t

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