View Item 

Kilometer-resolution gravity field of Mars: MGM2011

Access Status
Open access
Authors
Hirt, Christian
Claessens, Sten
Kuhn, Michael
Featherstone, Will
Date
2011
Type
Journal Article

Metadata
Show full item record
Citation
Hirt, C. and Claessens, S. J. and Kuhn, M. and Featherstone, W. E. 2011. Kilometer-resolution gravity field of Mars: MGM2011. Planetary and Space Science. 67 (1) pp. 147-154.
Source Title
Planetary and Space Science
DOI
ISSN
School
Department of Spatial Sciences
Remarks

NOTICE: this is the author’s version of a work that was accepted for publication in Planetary and Space Science. A definitive version was subsequently published in Planetary and Space Science, Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Planetary and Space Science, Volume 67, Issue 1, July 2012, pp. 147–154, http://dx.doi.org/10.1016/j.pss.2012.02.006.

URI
Collection
Abstract

We present a model that resolves the gravity field of Mars down to km-scales: Mars Gravity Model 2011 (MGM2011). MGM2011 uses Newtonian forward-modelling and the MOLA (Mars Orbiter Laser Altimeter) topography model to estimate the short-scale gravity field (scales of ~3 km to ~125 km). Combined with a reference gravity field and the satellite-tracking model MRO110B2, MGM2011 provides surface gravity accelerations and vertical deflections over the entire Martian surface at 3 arc-min resolution. MGM2011 is beneficial for gravity field simulation, inversion and statistics, as well as engineering-driven applications such as topographic mapping and inertial navigation.