The Spherical Harmonics Topography Model (SHADR) archive contains coefficients and related data for a spherical harmonic model of the shape of Mars derived from the MOLA gridded data set (EGDR) acquired during the MGS mission.

 
Citation Neumann, G., MOLA SPHERICAL HARMONICS TOPOGRAPHY MODEL, MGS-M-MOLA-5-SHADR-V1.0, NASA Planetary Data System, 2000
Digital Object Identifier (DOI) 10.17189/1520091
Data Set Abstract The Mars Global Surveyor spacecraft included a laser altimeter instrument. The primary objective of the Mars Orbiter Laser Altimeter (MOLA) is to determine globally the topography of Mars at a level suitable for addressing problems in geology and geophysics.
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    Additional Information
    Mission Information MARS GLOBAL SURVEYOR
    Data Set Information MGS-M-MOLA-5-SHADR-V1.0
    Instrument Host Information MGS
    Instrument Information MOLA
    Target Information MARS