Back to Propulsion Systems

Parker Solar Probe hydrazine propulsion subsystem

Parker Solar Probe's integrated blowdown monopropellant hydrazine propulsion subsystem uses twelve 4.4 N thrusters for both attitude control and trajectory-velocity maneuvers. The system includes the hydrazine tank and associated feed/control hardware.

Identity

Aliases
Parker Solar Probe hydrazine propulsion subsystemParker Solar Probe propulsion systemPSP hydrazine propulsion
Domains
spaceflight
Identity Level
integrated-system
Kind
integrated-propulsion-system
Name
Parker Solar Probe hydrazine propulsion subsystem
Status
active

Details

Description
Parker Solar Probe's integrated blowdown monopropellant hydrazine propulsion subsystem uses twelve 4.4 N thrusters for both attitude control and trajectory-velocity maneuvers. The system includes the hydrazine tank and associated feed/control hardware.
Propellants
hydrazine

Links

Assets & Meta

Creation Time
September 8, 2026 at 00:09:14 UTC
Updated Time
September 8, 2026 at 00:17:09 UTC

Other

Search Name
Parker Solar Probe hydrazine propulsion subsystem Parker Solar Probe hydrazine propulsion subsystem Parker Solar Probe propulsion system PSP hydrazine propulsion
Sources
  • Accessed Date
    2026-09-08
    Note
    The flight-dynamics paper identifies the flown Parker Solar Probe blowdown monopropellant hydrazine propulsion system with 82.77 kg hydrazine at launch and twelve 4.4 N thrusters for attitude control and trajectory Delta-V maneuvers.
    Publisher
    29th International Symposium on Space Flight Dynamics
    Title
    Parker Solar Probe Highly Constrained Maneuver Design via Vector Decomposition
  • Accessed Date
    2026-09-08
    Note
    The mission engineering account describes flown PSP use of monopropellant hydrazine for trajectory-correction maneuvers, attitude adjustments, and reaction-wheel momentum unloading.
    Publisher
    NASA/JPL DESCANSO
    Title
    Parker Solar Probe
  • Accessed Date
    2026-09-08
    Note
    NASA identifies Parker Solar Probe as an active mission and lists 685 kg spacecraft mass at launch with NASA Goddard and Johns Hopkins APL mission management.
    Publisher
    NASA Science
    Title
    Parker Solar Probe