RL10C-1-1
The RL10C-1-1 cryogenic upper-stage engine used on Atlas V Centaur installations, retained separately from the RL10C-1-1A variant used on Vulcan Centaur.
Identity
- Aliases
- RL10C-1-1RL10C-1 Engine
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- RL10C-1-1
- Status
- active
Details
- Description
- The RL10C-1-1 cryogenic upper-stage engine used on Atlas V Centaur installations, retained separately from the RL10C-1-1A variant used on Vulcan Centaur.
- Family
- Propellants
- liquid hydrogenliquid oxygen
Links
- Official Url
- https://www.ulalaunch.com/rockets/atlas-v
Assets & Meta
- Creation Time
- July 31, 2026 at 23:07:58 UTC
- Updated Time
- July 31, 2026 at 23:07:58 UTC
Other
- Sources
- Accessed Date
- 2026-07-31
- Note
- ULA identifies the Atlas V 401 installation with an Aerojet Rocketdyne RL10C-1 engine on Centaur; the exact RL10C-1-1 variant is documented in ULA's Atlas V mission materials.
- Publisher
- United Launch Alliance
- Title
- United Launch Alliance Successfully Launches Important Earth Science Mission for NASA
- Accessed Date
- 2026-07-31
- Note
- ULA's Atlas V 401 brochure identifies the single RL10C-1 Centaur engine and the exact 401 configuration with no solid strap-on boosters.
- Publisher
- United Launch Alliance
- Title
- Atlas V 401 mission brochure
- Accessed Date
- 2026-07-31
- Note
- ULA distinguishes the higher-performance RL10C-1-1 engine variant used on Atlas V Centaur, preserving the exact model boundary from RL10C-1-1A.
- Publisher
- United Launch Alliance
- Title
- Atlas V USSF-51