Lunar Gravity via the Apollo 15 and 16 Subsatellites

Details Lunar Gravity via the Apollo 15 and 16 Subsatellites Lunar Gravity via the Apollo 15 and 16 Subsatellites

Mar 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974moon....9..115s&link_type=abstract

The Moon, Volume 9, Issue 1-2, pp. 115-128

Physics

17

Scientific paper

Dense Doppler tracking coverage of the Apollo 15 and 16 subsatellites over ten and eighteen day periods when periapsis altitudes were 15 50 km has provided detailed gravity mapping of the lunar frontside. Many new gravity features are revealed including one that does not correlate with any visible topographic structure. All unfilled craters sampled are negative anomalies. The mascons consistently produce gravity highs that load the surface with ≈800 kg cm-2 excess mass. The Orientale region is represented with a solution grid of 177 point masses that clearly show the ringed structure. The eastern limb is also displayed with a solution grid of point masses. The gravity variations over the central portion of the frontface are shown as line-of-sight acceleration contours in milligals.

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