Compare · Rockets

Energiya vs Kosmos 11K63

RANKED BY PAYLOAD TO LOW EARTH ORBIT #6 VS #256 CHECKED 29 SEPT 2026

Side by side

Verdict

Energiya ranks #6 of 311 on Payload to low Earth orbit (88,000 kg); Kosmos 11K63 ranks #256 (300 kg).

Rank 06 of 311 · leads

Payload to low Earth orbit

88,000 kg

Launches1

Success rate0%

Payload to GTO—

First flight15 May 1987

Height97 m

Liftoff thrust35,129 kN

Launch mass2,524 t

Launch cost—

ReusableNo

StatusRetired

Rank 256 of 311

Payload to low Earth orbit

300 kg

Launches126

Success rate93.7%

Payload to GTO—

First flight24 May 1966

Height31 m

Liftoff thrust—

Launch mass48 t

Launch cost—

ReusableNo

StatusRetired

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