Aerojet Rocketdyne MR-401
The MR-401 is an Aerojet Rocketdyne hydrazine monopropellant thruster documented in NASA’s small-spacecraft propulsion survey. NASA identifies it among the thrusters installed on OSIRIS-REx, providing a civil scientific mission application for very small attitude-control corrections. It is a named thruster product, distinct from the spacecraft’s complete propulsion subsystem. Current manufacture or retirement is not established by the cited survey.
Identity
- Aliases
- MR-401MR 401
- Domains
- spaceflight
- Identity Level
- model
- Kind
- chemical-thruster
- Name
- Aerojet Rocketdyne MR-401
- Status
- unknown
Details
- Description
- The MR-401 is an Aerojet Rocketdyne hydrazine monopropellant thruster documented in NASA’s small-spacecraft propulsion survey. NASA identifies it among the thrusters installed on OSIRIS-REx, providing a civil scientific mission application for very small attitude-control corrections. It is a named thruster product, distinct from the spacecraft’s complete propulsion subsystem. Current manufacture or retirement is not established by the cited survey.
- Developers
- Manufacturers
- Propellants
- hydrazine
Links
Assets & Meta
- Creation Time
- October 17, 2026 at 14:03:39 UTC
- Updated Time
- October 17, 2026 at 14:03:39 UTC
Other
- Sources
- Accessed Date
- 2026-10-17
- Note
- Agency survey supports the named product and stated application. Lifecycle is unknown because the survey does not establish current production or retirement status.
- Publisher
- NASA
- Title
- 4.0 In-Space Propulsion — State-of-the-Art of Small Spacecraft Technology