Mars Observer eight 4.45 N hydrazine orbit-trim engines
Mars Observer used eight 4.45 N catalytic hydrazine engines for reaction-wheel momentum desaturation and orbit-trim maneuvers during the mapping mission.
Identity
- Aliases
- Mars Observer 4.45 N hydrazine enginesMars Observer orbit-trim thrustersMars Observer reaction-wheel desaturation engines
- Domains
- spaceflight
- Identity Level
- integrated-system
- Kind
- chemical-thruster
- Name
- Mars Observer eight 4.45 N hydrazine orbit-trim engines
- Status
- historical
Details
- Description
- Mars Observer used eight 4.45 N catalytic hydrazine engines for reaction-wheel momentum desaturation and orbit-trim maneuvers during the mapping mission.
- Propellants
- hydrazine
Links
Assets & Meta
- Creation Time
- September 8, 2026 at 09:44:07 UTC
- Updated Time
- September 8, 2026 at 09:44:07 UTC
Other
- Search Name
- Mars Observer eight 4.45 N hydrazine orbit-trim engines Mars Observer 4.45 N hydrazine engines Mars Observer orbit-trim thrusters Mars Observer reaction-wheel desaturation engines
- Sources
- Accessed Date
- 2026-09-08
- Note
- NASA spacecraft-propulsion overview identifies eight 4.45 N Mars Observer monopropellant hydrazine engines for reaction-wheel desaturation and orbit-trim maneuvers.
- Publisher
- NASA Technical Reports Server
- Title
- Satellite/spacecraft propulsion
- Accessed Date
- 2026-09-08
- Note
- JPL identifies Mars Observer as a past Mars orbiter; this source supplies mission context for the installed hydrazine orbit-trim set.
- Publisher
- NASA Jet Propulsion Laboratory
- Title
- Mars Observer