The Dawn Ion Propulsion System

Details The Dawn Ion Propulsion System The Dawn Ion Propulsion System

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ssrv..163..251b&link_type=abstract

Space Science Reviews, Volume 163, Issue 1-4, pp. 251-261

Computer Science

1

Dawn, Ion Propulsion, Electric Propulsion, Sep

Scientific paper

Dawn’s ion propulsion system (IPS) is the most advanced propulsion system ever built for a deep-space mission. Aside from the Mars gravity assist it provides all of the post-launch Δ V required for the mission including the heliocentric transfer to Vesta, orbit capture at Vesta, transfer to various Vesta science orbits, escape from Vesta, the heliocentric transfer to Ceres, orbit capture at Ceres, and transfer to the different Ceres science orbits. The ion propulsion system provides a total Δ V of nearly 11 km/s, comparable to the ΔV provided by the 3-stage launch vehicle, and a total impulse of 1.2×107 N s.

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