Compare · Rockets

Space Launch System Block 1 vs H-II

RANKED BY PAYLOAD TO LOW EARTH ORBIT #4 VS #73 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); H-II ranks #73 (10,060 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 73 of 311

Payload to low Earth orbit

10,060 kg

Launches7

Success rate85.7%

Payload to GTO3,930 kg

First flight03 Feb 1994

Height49 m

Liftoff thrust—

Launch mass260 t

Launch cost—

ReusableNo

StatusRetired

Try another pair

More Space Launch System Block 1 matchups

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