Gravity field of the orientale basin from the gravity recovery and interior laboratory mission

Maria T. Zuber, David E. Smith, Gregory A. Neumann, Sander Goossens, Jeffrey C. Andrews-Hanna, James W. Head, Walter S. Kiefer, Sami W. Asmar, Alexander S. Konopliv, Frank G. Lemoine, Isamu Matsuyama, H. Jay Melosh, Patrick J. McGovern, Francis Nimmo, Roger J. Phillips, Sean C. Solomon, G. Jeffrey Taylor, Michael M. Watkins, Mark A. Wieczorek, James G. WilliamsJohanna C. Jansen, Brandon C. Johnson, James T. Keane, Erwan Mazarico, Katarina Miljković, Ryan S. Park, Jason M. Soderblom, Dah Ning Yuan

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


The Orientale basin is the youngest and best-preserved major impact structure on the Moon. We used the Gravity Recovery and Interior Laboratory (GRAIL) spacecraft to investigate the gravitational field of Orientale at 3- to 5-kilometer (km) horizontal resolution. A volume of at least (3.4 ± 0.2) × 106 km3 of crustal material was removed and redistributed during basin formation. There is no preserved evidence of the transient crater that would reveal the basin's maximum volume, but its diameter may now be inferred to be between 320 and 460 km. The gravity field resolves distinctive structures of Orientale's three rings and suggests the presence of faults associated with the outer two that penetrate to the mantle. The crustal structure of Orientale provides constraints on the formation of multiring basins.

Original languageEnglish (US)
Pages (from-to)438-441
Number of pages4
Issue number6311
StatePublished - Oct 28 2016

ASJC Scopus subject areas

  • General


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