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Soyuz-U2 vs Soyuz 2.1a

RANKED BY PAYLOAD TO LOW EARTH ORBIT #101 VS #102 CHECKED 29 SEPT 2026

Side by side

Verdict

Soyuz-U2 ranks #101 of 311 on Payload to low Earth orbit (7,050 kg); Soyuz 2.1a ranks #102 (7,020 kg).

Rank 101 of 311 · leads

Payload to low Earth orbit

7,050 kg

Launches71

Success rate100%

Payload to GTO—

First flight23 Dec 1982

Height34.54 m

Liftoff thrust—

Launch mass298 t

Launch cost—

ReusableNo

StatusRetired

Rank 102 of 311

Payload to low Earth orbit

7,020 kg

Launches58

Success rate98.3%

Payload to GTO2,810 kg

First flight04 Nov 2004

Height46.3 m

Liftoff thrust4,149 kN

Launch mass312 t

Launch cost$80,000,000

ReusableNo

StatusActive

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