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Real-time EDL navigation performance using spacecraft to spacecraft radiometric data

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dc.contributor.author Burkhart, P. Daniel
dc.contributor.author Ely, Todd
dc.contributor.author Duncan, Courtney
dc.contributor.author Lightsey, Glenn
dc.contributor.author Campbell, Todd
dc.contributor.author Mogensen, Andy
dc.date.accessioned 2007-06-13T15:22:31Z
dc.date.available 2007-06-13T15:22:31Z
dc.date.issued 2006-08-21
dc.identifier.citation AIAA Guidance, Navigation and Control Conference, Keystone, Colorado, August 21-24, 2006. en
dc.identifier.clearanceno 06-2532
dc.identifier.uri http://hdl.handle.net/2014/40248
dc.description.abstract A two-year task sponsored by NASA's Mars Technology Program's Advanced Entry, Descent and Landing (EDL) work area includes investigation of improvements to EDL navigation by processing spacecraft-to-spacecraft radiometric data. Spacecraft-to- spacecraft navigation will take advantage of the UHF link between two spacecraft (i.e. to an orbiter from an approaching lander for EDL telemetry relay) to build radiometric data, specifically the velocity between the two spacecraft along the radio beam, that are processed to determine position and velocity in real time. The improved onboard state knowledge provided by spacecraft-to-spacecraft navigation will improve the performance of entry guidance by providing a more accurate state estimate and ultimately reduce the landed position error. Work on the final year of this task is reported here. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 4208619 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. en
dc.subject Electra en
dc.subject entry en
dc.subject descent en
dc.subject landing en
dc.subject navigation en
dc.subject Entry, Descent and Landing (EDL) en
dc.title Real-time EDL navigation performance using spacecraft to spacecraft radiometric data en
dc.type Preprint en


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