A new Martian Gravity Field Mean Model and its Time Variations

Details A new Martian Gravity Field Mean Model and its Time Variations A new Martian Gravity Field Mean Model and its Time Variations

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufm.g53c..07b&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #G53C-07

Physics

1221 Lunar And Planetary Geodesy And Gravity (5417, 5450, 5714, 5744, 6019, 6250), 5417 Gravitational Fields (1221)

Scientific paper

The MGS mission has provided a wealth of orbit tracking data which are used for modeling the Martian gravity field. Five years of Doppler and range observations have been processed in arcs of a few days duration each. A static spherical harmonic model complete to degree and order 95 has been computed, together with the k2 Love number and time variations of the second and third degrees lumped zonal coefficients. The solution is compared to previously derived models by means of statistical and orbital quality tests and correlations with topography. The time variations and Love number values are also discussed.

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