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Cassini orbit trim maneuvers at Saturn – overview of attitude control flight operations

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dc.contributor.author Burk, Thomas A.
dc.date.accessioned 2013-10-17T20:40:45Z
dc.date.available 2013-10-17T20:40:45Z
dc.date.issued 2011-08-08
dc.identifier.citation AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, August 8-11, 2011. en_US
dc.identifier.clearanceno 11-2675
dc.identifier.uri http://hdl.handle.net/2014/43883
dc.description.abstract The Cassini spacecraft has been in orbit around Saturn since July 1, 2004. To remain on the planned trajectory which maximizes science data return, Cassini must perform orbit trim maneuvers using either its main engine or its reaction control system thrusters. Over 200 maneuvers have been executed on the spacecraft since arrival at Saturn. To improve performance and maintain spacecraft health, changes have been made in maneuver design command placement, in accelerometer scale factor, and in the pre-aim vector used to align the engine gimbal actuator prior to main engine burn ignition. These and other changes have improved maneuver performance execution errors significantly since 2004. A strategy has been developed to decide whether a main engine maneuver should be performed, or whether the maneuver can be executed using the reaction control system. 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, 2011. en_US
dc.subject Cassini attitude control en_US
dc.subject flight operations en_US
dc.subject spacecraft configuration en_US
dc.subject Deep Space Network en_US
dc.title Cassini orbit trim maneuvers at Saturn – overview of attitude control flight operations en_US
dc.type Preprint en_US


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