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Title: Wild2 approach maneuver strategy used for Stardust spacecraft (extended abstract)
Authors: Bhar, Ramachandra S.
Williams, Kenneth E.
Helfrich, Clifford E.
Kennedy, Brian M.
Carranza, Eric
Keywords: dust
dust particles
Issue Date: 15-Aug-2004
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004.
Citation: AIAA/AAS Astrodynamics Specialist Conference, Providence, Rhode Island, August 15-19, 2004.
Abstract: Stardust, NASA’s first dedicated sample return mission to a comet, successfully flew through the comet dust around Wold2 on January 2, 2004. The spacecraft flew within 236 km of the comet, meeting the mission requirement of 250± 50 km on flyby distance. Stardust collected dust particles and took several images of the comet while flying close to Wild2. The spacecraft will return to earth with the comet samples on January 15, 2006. To accomplish the above objective, a large Deep Space Maneuver (DSM#) was implemented during June 17 and 18, 2003 and a series of Trajectory Correction Maneuvers (TCMs) were also implemented during the 30 days prior to encounter. Both maneuver design and executions were influenced by number of factors including the small body ephemeris uncertainty, predictability of small forces arising from 3-axis attitude limit cycling and spacecraft slews. Maneuver design processes, including contingency plans, and maneuver performance characteristics, are discussed in this paper.
Appears in Collections:JPL TRS 1992+

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