Microwave Discharge Ion Engines onboard Hayabusa Asteroid Explorer

Details Microwave Discharge Ion Engines onboard Hayabusa Asteroid Explorer Microwave Discharge Ion Engines onboard Hayabusa Asteroid Explorer

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..997..572k&link_type=abstract

BEAMED ENERGY PROPULSION: Fifth International Symposium on Beamed Energy Propulsion. AIP Conference Proceedings, Volume 997, pp

Physics

1

Plasma Sources, Ion And Plasma Propulsion, Plasma Heating By Microwaves, Ecr, Lh, Collisional Heating, Asteroids, Meteoroids

Scientific paper

The Hayabusa spacecraft rendezvoused with the asteroid Itokawa in 2005 after the powered flight in the deep space by the μl0 cathode-less electron cyclotron resonance ion engines. Though the spacecraft was seriously damaged after the successful soft-landing and lift-off, the xenon cold gas jets from the ion engines rescued it. New attitude stabilization method using a single reaction wheel, the ion beam jets, and the photon pressure was established and enabled the homeward journey from April 2007 aiming the Earth return on 2010. The total accumulated operational time of the ion engines reaches 31,400 hours at the end of 2007. One of four thrusters achieved 13,400-hour space operation.

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