Time periods of anomalous density for GRACE and CHAMP

Craig A. McLaughlin, Eric Fattig, Dhaval Mysore Krishna, Travis Locke, Piyush M. Mehta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


While developing precision orbit ephemeris (POE) derived densities for GRACE and CHAMP, several periods have been found when the correlation between the POE derived density and accelerometer derived density is very low. The primary time period where this occurs is from October 2005 to January 2006 for GRACE. This time period includes the maneuvers required for the GRACE satellites to switch positions, but extend well before and after this event. The low correlations also exist between HASDM and accelerometer derived densities for this time period. This paper characterizes these time periods and attempts to explain the anomalous behavior.

Original languageEnglish (US)
Title of host publicationASTRODYNAMICS 2011 - Advances in the Astronautical Sciences
Subtitle of host publicationProceedings of the AAS/AIAA Astrodynamics Specialist Conference
Number of pages12
StatePublished - 2012
Event2011 AAS/AIAA Astrodynamics Specialist Conference, ASTRODYNAMICS 2011 - Girdwood, AK, United States
Duration: Jul 31 2011Aug 4 2011

Publication series

NameAdvances in the Astronautical Sciences
ISSN (Print)0065-3438


Other2011 AAS/AIAA Astrodynamics Specialist Conference, ASTRODYNAMICS 2011
Country/TerritoryUnited States
CityGirdwood, AK


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