RL10C-1
Aerojet Rocketdyne RL10C-1 is a cryogenic upper-stage engine used on Atlas V Centaur. ULA identifies this exact model as powering the single-engine Centaur on the Atlas V 501 that launched the USSF-7 mission and the sixth X-37B Orbital Test Vehicle flight on 17 May 2020.
Identity
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- RL10C-1
- Status
- retired
Details
- Description
- Aerojet Rocketdyne RL10C-1 is a cryogenic upper-stage engine used on Atlas V Centaur. ULA identifies this exact model as powering the single-engine Centaur on the Atlas V 501 that launched the USSF-7 mission and the sixth X-37B Orbital Test Vehicle flight on 17 May 2020.
- Family
- Propellants
- liquid hydrogenliquid oxygen
- Rocket Specs
- Vacuum Specific Impulse
- …
- Vacuum Thrust
- …
Links
- Official Url
- https://www.ulalaunch.com/rockets/atlas-v
Assets & Meta
- Creation Time
- July 31, 2026 at 23:25:11 UTC
- Updated Time
- October 29, 2026 at 13:12:11 UTC
Other
- Sources
- Accessed Date
- 2026-07-31
- Note
- ULA identifies the Atlas V 501 mission's Centaur upper stage as powered by the Aerojet Rocketdyne RL10C-1 engine.
- Publisher
- United Launch Alliance
- Title
- United Launch Alliance Successfully Launches the Sixth Orbital Test Vehicle for the U.S. Space Force
- Accessed Date
- 2026-07-31
- Note
- The official 501 brochure labels the Centaur hardware RL10C-1 and describes the single-engine upper-stage installation.
- Publisher
- United Launch Alliance
- Title
- Atlas V USSF-7 mission brochure