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RF Plasma Propulsion: Unlocking the Full Potential of Small Satellites

James BehmerPhase Four, jim@phasefour.io

Presented during the 33rd Space Symposium at Technical TrackApril 3, 2017

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Deployment

Operation

Disposal

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Deployment

Operation

Disposal

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Render of RF Thruster on 6U CubeSat used for phasing study

Mission Remote Sensing

Spacecraft Mass [kg] 11.5

Circular Altitude [km] 600

Thrust [mN] 2.0

Specific Impulse [s] 500

RF Power [W] 50

Xe Propellant Mass [g] 100

Flight Time w/ RF Thruster 9.5 days

Flight Time w/ differential drag ~6 months

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Deployment

Operation

Disposal

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Deployment

Operation

Disposal

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Remaining Propellant [kg Xe] De-Orbit Delta V [m/s] De-Orbit Altitude [km]

1.0 155 629

1.5 232 939

2.0 308 1,276

2.5 383 1,645

3.0 457 2,051

De-Orbit Altitude for a 50 kg Microsatellite with an RF Thruster at 800s Isp

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