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Stability and targeting in Dawn's final orbit

Show simple item record Grebow, Daniel Bradley, Nicholas Kennedy, Brian 2020-10-30T16:17:33Z 2020-10-30T16:17:33Z 2019-01-13
dc.identifier.citation 29th AAS/AIAA Space Flight Mechanics Meeting, Ka'anapali, Hawaii, January 13-17, 2019 en_US
dc.identifier.clearanceno 19-0108
dc.description.abstract The Dawn spacecraft conducted two extended missions at Ceres following the completion of the primary mission in June 2016. The final orbit of the second extended mission was designed to have a 35-km periapsis altitude for 10x higher resolution science. The mission ended in this orbit when the spacecraft ran out of attitude control propellant. In this paper, we describe the final orbit and discuss the challenges of flying this low at Ceres. We also include our stability analysis showing the spacecraft will remain in orbit for more than 20 years, as stipulated by the planetary protection requirements. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019 en_US
dc.title Stability and targeting in Dawn's final orbit en_US
dc.type Preprint en_US

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