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NASA NTRS · 20070032945

Radioisotope Electric Propulsion (REP) for Selected Interplanetary Science Missions

Oh, David·Bonfiglio, Eugene·Cupples, Mike·Belcher, Jeremy·Witzberger, Kevin·Fiehler, Douglas·Artis, Gwen
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Abstract

This viewgraph presentation analyzes small body targets (Trojan Asteroids), Medium Outer Planet Class (Jupiter Polar Orbiter with Probes), and Main Belt Asteroids and Comets (Comet Surface Sample Return), for Radioisotope Electric Propulsion (REP).

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Trojan asteroidslow thrustelectric propulsionRadioisotope Power Systems (RPS)Radioisotope Electric Propulsion (REP)comparison

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Oh, David, Bonfiglio, Eugene, Cupples, Mike, Belcher, Jeremy, Witzberger, Kevin, Fiehler, Douglas, Artis, Gwen. 2005-10-31. Radioisotope Electric Propulsion (REP) for Selected Interplanetary Science Missions. https://ntrs.nasa.gov/citations/20070032945

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Recent studies suggest significant benefits from using 1st and 2nd generation Radioisotope Power Systems (RPS) as a power source for electric propulsion (EP) missions to the outer planets. This study focuses on trajectories to the Trojan asteroids. A high level analysis is performed with chemical trajectories to determine potential canidates for REP trajectory optimization. Extensive analysis of direct trajectories using REP is performed on these candidates. Solar Electric Propulsion (SEP) trajectories are also considered for comparison against REP trajectories.

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