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Space Launch System Block 1 vs H-IIB 304

RANKED BY PAYLOAD TO LOW EARTH ORBIT #4 VS #42 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-IIB 304 ranks #42 (16,500 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 42 of 311

Payload to low Earth orbit

16,500 kg

Launches9

Success rate100%

Payload to GTO8,000 kg

First flight10 Sept 2009

Height56.6 m

Liftoff thrust9,000 kN

Launch mass551 t

Launch cost$112,500,000

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