The potential of an Iodine Hall system includes both enabling capabilities for SmallSats and game changing system level performance for higher power Hall systems. Typical nanosatellites are launched into prescribed low-earth orbits with no or limited onboard propulsion capability, this greatly limits their ability to achieve full mission objectives and/or safely deorbit. Iodine Hall thrusters are the best near-term option to solve this challenge given their low volume, high V performance, and unpressurized benign state prior to launch. Future NASA missions will be able to safely achieve far more technical objectives using this new propulsion technology on small sat missions.
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Iodine Hall thrusters are the best near-term option to solve this challenge given their low volume, high V performance, and unpressurized benign state prior to launch.;Iodine Hall thrusters are the best near-term option to solve this challenge given their low volume, high V performance, and unpressurized benign state prior to launch.
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Successful development of iodine electric propulsion systems will increase a satellite's velocity momentum for volume-limited small spacecraft over existing xenon systems. IHT developed the materials and design advancements required to enable iodine propelled small spacecraft and provide similar thruster performance with xenon. The project demonstrated that an iodine propulsion system using a xenon cathode can be matured and implemented in the near-term. The project identified several iodine development risks that remain open and need mitigation including feed system design, satellite deposit contamination, and operational procedures that would need to be demonstrated in space flight.