RD-181
The single-chamber RD-191 derivative adapted for the Antares 200-series first stage.
Identity
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- RD-181
- Status
- retired
Details
- Description
- The single-chamber RD-191 derivative adapted for the Antares 200-series first stage.
- Developers
- Family
- Lineage
- Note
- RSC Energia states that RD-181 was derived from RD-191 specifically for Antares.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Nested value
- Manufacturers
- Propellants
- liquid oxygenkerosene
- Retirement Date
- 2023-08
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 09:56:25 UTC
- Updated Time
- July 29, 2026 at 09:57:39 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- NASA
- Title
- Meet the New Engines of the Antares Rocket
- Accessed Date
- 2026-07-29
- Publisher
- RSC Energia press release archived by MarketScreener
- Title
- RSC Energia and Orbital Sciences Corporation sign direct contract for the delivery of engines
- 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
- Antares 230 official vehicle reference