Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7.2639s&link_type=abstract
In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 3. (A77-34651 15-91) New York, Pergamon
Astronomy and Astrophysics
Astronomy
2
Astronomical Models, Lunar Gravitation, Lunar Maria, Mass Distribution, Radio Tracking, Doppler Effect, Flow Charts, Lunar Orbits, Lunar Satellites, Lunar Surface, Ring Structures
Scientific paper
Six theoretical models for the mass distribution of Mare Orientale were tested using five gravity profiles extracted from radio-tracking data of orbiting spacecraft. The models with surface mass and moho relief produced the best results. Although there is a mascon-type anomaly in the central maria region, Mare Orientale is a large negative gravity anomaly. This is produced primarily by the empty ring basin. Had the basin filled with maria material it seems likely that it would have produced a mascon such as those presently existing in flooded frontside circular basins.
Sjogren William L.
Smith Calvin J.
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