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LE-5 family
Japan's long-running cryogenic upper-stage engine family from H-I through the operational H3.
Identity
Aliases
LE-5 series
Domains
spaceflight
Identity Level
family
Kind
liquid-rocket-engine
Name
LE-5 family
Status
active
Details
Description
Japan's long-running cryogenic upper-stage engine family from H-I through the operational H3.
Propellants
liquid hydrogen
liquid oxygen
Links
Official Url
https://www.rocket.jaxa.jp/rocket/engine/le5b/index.html
Assets & Meta
Creation Time
July 29, 2026 at 08:48:33 UTC
Updated Time
July 29, 2026 at 08:48:33 UTC
Other
Sources
Accessed Date
2026-07-29
Publisher
Japan Aerospace Exploration Agency
Title
LE-5B
Url
https://www.rocket.jaxa.jp/rocket/engine/le5b/index.html
Accessed Date
2026-07-29
Publisher
Japan Aerospace Exploration Agency
Title
LE-5B-3
Url
https://www.rocket.jaxa.jp/rocket/h3/le5b.html
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