A JPL Planetary Science Summer School Trojan and Centaur Reconnaissance Mission: Mission Design

Details A JPL Planetary Science Summer School Trojan and Centaur Reconnaissance Mission: Mission Design A JPL Planetary Science Summer School Trojan and Centaur Reconnaissance Mission: Mission Design

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.1626r&link_type=abstract

American Astronomical Society, DPS meeting #41, #16.26

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Scientific paper

As part of the JPL Planetary Science Summer school, we present a NASA New Frontiers sized mission for the current Decadal Survey designed for the first ever in situ measurements of a Trojan asteroid and a Centaur asteroid. We present the mission design including launch dates and mission timeline, encounter strategy, spacecraft design and cost estimates. From the known asteroidal bodies at the Jupiter L4 and L5 positions, as well as Centaurs with perihelions <21 AU, we have selected nine targets (three Centaurs, and six Trojans divided among the two Langrange points) that meet our science goals of sampling organic rich D-type targets. An initial mission profile was generated from our top two candidates, 2207 Antenor, a 'mid-field' L5 Trojan, and (63252) 2001 BL41, an organic rich body with a strong red slope. Mission launch is set for 20 May 2020 with a flyby of Antenor on 25 November 2023 and 2001 BL41 on 16 June 2027. This trajectory is accomplished with one flyby of Earth on 28 March 2022 followed by three non body control maneuvers. Other candidates trajectories will be explored from our target set and we present our mission design which best fits our science goals.

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