Compare · Rockets

Energiya/Buran vs Thor Delta E1

RANKED BY PAYLOAD TO LOW EARTH ORBIT #5 VS #235 CHECKED 29 SEPT 2026

Side by side

Verdict

Energiya/Buran ranks #5 of 311 on Payload to low Earth orbit (90,400 kg); Thor Delta E1 ranks #235 (540 kg).

Rank 05 of 311 · leads

Payload to low Earth orbit

90,400 kg

Launches1

Success rate100%

Payload to GTO—

First flight15 Nov 1988

Height97 m

Liftoff thrust35,301 kN

Launch mass2,629 t

Launch cost—

ReusableYes

StatusRetired

Rank 235 of 311

Payload to low Earth orbit

540 kg

Launches17

Success rate94.1%

Payload to GTO150 kg

First flight01 Jul 1966

Height28 m

Liftoff thrust1,450 kN

Launch mass68 t

Launch cost—

ReusableNo

StatusRetired

Try another pair

More Energiya/Buran matchups

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