Mars Observer four 22 N MMH/NTO control engines
Mars Observer used four 22 N pressure-fed bipropellant engines using monomethylhydrazine fuel and nitrogen tetroxide oxidizer for finer trajectory control and thrust-vector control, including pitch and yaw control during spacecraft maneuvers.
Identity
- Aliases
- Mars Observer 22 N bipropellant enginesMars Observer pitch yaw control enginesMars Observer bipropellant control thrusters
- Domains
- spaceflight
- Identity Level
- integrated-system
- Kind
- chemical-thruster
- Name
- Mars Observer four 22 N MMH/NTO control engines
- Status
- historical
Details
- Description
- Mars Observer used four 22 N pressure-fed bipropellant engines using monomethylhydrazine fuel and nitrogen tetroxide oxidizer for finer trajectory control and thrust-vector control, including pitch and yaw control during spacecraft maneuvers.
- Propellants
- monomethylhydrazinenitrogen tetroxide
Links
Assets & Meta
- Creation Time
- September 8, 2026 at 09:43:52 UTC
- Updated Time
- September 8, 2026 at 09:43:52 UTC
Other
- Search Name
- Mars Observer four 22 N MMH/NTO control engines Mars Observer 22 N bipropellant engines Mars Observer pitch yaw control engines Mars Observer bipropellant control thrusters
- Sources
- Accessed Date
- 2026-09-08
- Note
- NASA spacecraft-propulsion overview identifies four 22 N Mars Observer bipropellant engines for trajectory control and pitch/yaw control.
- Publisher
- NASA Technical Reports Server
- Title
- Satellite/spacecraft propulsion
- Accessed Date
- 2026-09-08
- Note
- The NASA/JPL mission record identifies Mars Observer as a past Mars orbiter; this source supplies mission context for the installed control-engine set.
- Publisher
- NASA Jet Propulsion Laboratory
- Title
- Mars Observer