Estimating the k2 Tidal Gravity Love Number of Mars

Details Estimating the k2 Tidal Gravity Love Number of Mars Estimating the k2 Tidal Gravity Love Number of Mars

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufm.p31a..05s&link_type=abstract

American Geophysical Union, Fall Meeting 2003, abstract #P31A-05

Statistics

Methodology

5430 Interiors (8147), 8147 Planetary Interiors (5430, 5724)

Scientific paper

Analysis of the orbits of spacecraft can be used to infer global tidal parameters. For Mars, the Mars Global Surveyor (MGS) spacecraft has been used to estimate the second degree Love number, k2 from the tracking DSN tracking Doppler and range data by several authors. Unfortunately, neither of the spacecraft presently in orbit are ideally suited to tidal recovery because they are in sun-synchronous orbits that vary only slightly in local time; and, further, the sub-solar location only varies by about ñ25 degrees in latitude. Never-the-less respectable estimates of the k2 tide have been made by several authors. We present an updated solution of the degree 2 zonal Love number, compare with previous values, and analyze the sensitivity of the solution to orbital parameters, spacecraft maneuvers, and solution methodology. Estimating the k2 Tidal Gravity Love Number of Mars

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