J-2
Rocketdyne's restartable cryogenic upper-stage engine for Saturn IB and Saturn V.
Identity
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- J-2
- Status
- retired
Details
- Description
- Rocketdyne's restartable cryogenic upper-stage engine for Saturn IB and Saturn V.
- Developers
- Lineage
- Note
- NASA histories document RL10 technology informing J-2 development without making J-2 an RL10 family member.
- Related Propulsion System
- Relationship
- technology-derived-from
- Sources
- Nested value
- Manufacturers
- Propellants
- liquid hydrogenliquid oxygen
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 10:16:03 UTC
- Updated Time
- July 29, 2026 at 10:16:56 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- NASA
- Title
- Glenn Impact on the Apollo Program
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Saturn V official vehicle reference
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Saturn IB official vehicle reference