title: Gravity field of the Orientale basin from the Gravity Recovery and Interior Laboratory Mission.
abstract: 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) × 106km3of 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.
authors: Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA. zuber@mit.edu.
authors: Maria T
authors: MT
authors: Zuber
authors: Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA.
authors: David E
authors: DE
authors: Smith
authors: Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
authors: Gregory A
authors: GA
authors: Neumann
authors: Center for Research and Exploration in Space Science and Technology, University of Maryland, Baltimore County, Baltimore, MD 21250, USA.
authors: Sander
authors: S
authors: Goossens
authors: Department of Geophysics and Center for Space Resources, Colorado School of Mines, Golden, CO 80401, USA. Southwest Research Institute, Boulder, CO 80302, USA.
authors: Jeffrey C
authors: JC
authors: Andrews-Hanna
authors: Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, USA.
authors: James W
authors: JW
authors: Head
authors: Lunar and Planetary Institute, Houston, TX 77058, USA.
authors: Walter S
authors: WS
authors: Kiefer
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA.
authors: Sami W
authors: SW
authors: Asmar
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA.
authors: Alexander S
authors: AS
authors: Konopliv
authors: Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
authors: Frank G
authors: FG
authors: Lemoine
authors: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721-0092, USA.
authors: Isamu
authors: I
authors: Matsuyama
authors: Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA.
authors: H Jay
authors: HJ
authors: Melosh
authors: Lunar and Planetary Institute, Houston, TX 77058, USA.
authors: Patrick J
authors: PJ
authors: McGovern
authors: Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, CA 95064, USA.
authors: Francis
authors: F
authors: Nimmo
authors: Southwest Research Institute, Boulder, CO 80302, USA.
authors: Roger J
authors: RJ
authors: Phillips
authors: Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, USA. Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA.
authors: Sean C
authors: SC
authors: Solomon
authors: Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, HI 96822, USA.
authors: G Jeffrey
authors: GJ
authors: Taylor
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA. Center for Space Research, University of Texas, Austin, TX 78712 USA.
authors: Michael M
authors: MM
authors: Watkins
authors: Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, 75205 Paris Cedex 13, France.
authors: Mark A
authors: MA
authors: Wieczorek
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA.
authors: James G
authors: JG
authors: Williams
authors: Department of Geophysics and Center for Space Resources, Colorado School of Mines, Golden, CO 80401, USA.
authors: Johanna C
authors: JC
authors: Jansen
authors: Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA. Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, USA.
authors: Brandon C
authors: BC
authors: Johnson
authors: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721-0092, USA.
authors: James T
authors: JT
authors: Keane
authors: Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
authors: Erwan
authors: E
authors: Mazarico
authors: Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA. Department of Applied Geology, Curtin University, Perth, Western Australia 6845, Australia.
authors: Katarina
authors: K
authors: Miljković
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA.
authors: Ryan S
authors: RS
authors: Park
authors: Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA.
authors: Jason M
authors: JM
authors: Soderblom
authors: Jet Propulsion Laboratory, Pasadena, CA 91109, USA.
authors: Dah-Ning
authors: DN
authors: Yuan