Compare · Rockets

Kosmos 11K63 vs Electron

RANKED BY PAYLOAD TO LOW EARTH ORBIT #256 VS #257 CHECKED 29 SEPT 2026

Side by side

Verdict

Kosmos 11K63 ranks #256 of 311 on Payload to low Earth orbit (300 kg); Electron ranks #257 (300 kg).

Rank 256 of 311 · leads

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

Rank 257 of 311

Payload to low Earth orbit

300 kg

Launches97

Success rate95.9%

Payload to GTO—

First flight25 May 2017

Height18 m

Liftoff thrust162 kN

Launch mass13 t

Launch cost$6,000,000

ReusableNo

StatusActive

Try another pair

More Kosmos 11K63 matchups

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