Compare · Rockets

Juno-I vs Vanguard

RANKED BY PAYLOAD TO LOW EARTH ORBIT #307 VS #308 CHECKED 29 SEPT 2026

Side by side

Verdict

Juno-I ranks #307 of 311 on Payload to low Earth orbit (11 kg); Vanguard ranks #308 (9 kg).

Rank 307 of 311 · leads

Payload to low Earth orbit

11 kg

Launches6

Success rate50%

Payload to GTO—

First flight31 Jan 1958

Height21.2 m

Liftoff thrust416 kN

Launch mass29 t

Launch cost—

ReusableNo

StatusRetired

Rank 308 of 311

Payload to low Earth orbit

9 kg

Launches11

Success rate27.3%

Payload to GTO—

First flight23 Oct 1957

Height23 m

Liftoff thrust123 kN

Launch mass10 t

Launch cost—

ReusableNo

StatusRetired

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More Juno-I matchups

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