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NASA NSTAR 30-cm ion thruster

Exact NASA NSTAR 30-cm xenon gridded-ion thruster variant flown on Deep Space 1 and used in the Dawn-class propulsion system. JPL documents a 0.5–2.3 kW operating range, 19–92 mN thrust, and 1,900–3,200 s specific impulse; spacecraft-specific configuration records remain outside this propulsion row.

Identity

Aliases
NSTAR 30-cmNSTAR ion thrusterNASA Solar Electric Propulsion Technology Applications Readiness thruster
Domains
spaceflight
Identity Level
variant
Kind
electric-thruster
Name
NASA NSTAR 30-cm ion thruster
Status
historical

Details

Description
Exact NASA NSTAR 30-cm xenon gridded-ion thruster variant flown on Deep Space 1 and used in the Dawn-class propulsion system. JPL documents a 0.5–2.3 kW operating range, 19–92 mN thrust, and 1,900–3,200 s specific impulse; spacecraft-specific configuration records remain outside this propulsion row.
Developers
Electric Specs
Input Power Kw Max
2.3
Input Power Kw Min
0.5
Specific Impulse SMax
3,200
Specific Impulse SMin
1,900
Thrust NMax
0.092
Thrust NMin
0.019
Family

Links

Assets & Meta

Creation Time
August 6, 2026 at 23:34:40 UTC
Updated Time
August 22, 2026 at 14:58:11 UTC

Other

Sources
  • Accessed Date
    2026-08-06
    Note
    NASA technical record identifies the NSTAR 30-cm xenon ion thruster and its engineering-model test basis.
    Publisher
    NASA Technical Reports Server
    Title
    Numerical Thermal Model of a 30-cm NSTAR Ion Thruster
  • Accessed Date
    2026-08-06
    Note
    NASA documents the NSTAR propulsion system and its 0.5–2.3 kW throttleable ion-thruster program managed with JPL and NASA Lewis.
    Publisher
    NASA Technical Reports Server
    Title
    NSTAR Ion Propulsion System Power Electronics
  • Accessed Date
    2026-08-06
    Note
    JPL identifies NASA's Dawn spacecraft as using NSTAR ion thrusters, supporting the operational family boundary without inventing a vehicle link here.
    Publisher
    NASA Jet Propulsion Laboratory
    Title
    Ion Thrusters
  • Accessed Date
    2026-08-22
    Note
    JPL's Deep Space 1 mission report identifies the exact 30-cm NSTAR thruster, with 0.5–2.3 kW operating power, 19–92 mN thrust, and 1,900–3,200 s specific impulse; values are normalized into electricSpecs.
    Publisher
    NASA Jet Propulsion Laboratory
    Title
    Results from the Deep Space 1 Technology Validation Mission