P43C:
The Exploration of Ceres and Vesta by Dawn and Earth-Based Analyses II Posters

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Session ID#: 13586

Session Description:
This session welcomes scientific investigation of the surface geology, surface composition, interior properties, origin, and evolution of Ceres and Vesta. Ceres and Vesta, the two most massive members of the asteroid belt, have evolved to very different present day states, an observation that must be accounted for in our understanding of solar system evolution. While Dawn observations have given us a greater understanding of these two bodies, their place in the solar system, and the origin and evolution of the solar system as a whole, many questions remain unanswered, and these observations raise additional new questions. The aim of this session is to include reports of analyses based on data returned from the Dawn spacecraft, along with modeling studies, astronomical observations, meteorite analyses, and analog studies. In addition, we welcome comparative studies of the dwarf planets Ceres and Pluto.
Primary Convener:  Jennifer E. C. Scully, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
Conveners:  Scott D. King, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, Francesca Zambon, INAF-IAPS, Rome, Italy and Ernesto Palomba, IAPS-INAF, Rome, Italy
Chairs:  Scott D. King, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States and Jennifer E. C. Scully, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
OSPA Liaison:  Scott D. King, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States

Cross-Listed:
  • C - Cryosphere
  • EP - Earth and Planetary Surface Processes
  • T - Tectonophysics
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

6008 Composition [PLANETARY SCIENCES: COMETS AND SMALL BODIES]
6040 Origin and evolution [PLANETARY SCIENCES: COMETS AND SMALL BODIES]
6055 Surfaces [PLANETARY SCIENCES: COMETS AND SMALL BODIES]
6205 Asteroids [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]

Abstracts Submitted to this Session:

Floor-Fractured Craters on Ceres and Implications for Internal Composition and Processes (131037)
Debra Buczkowski1, Paul Schenk2, Jennifer E. C. Scully3, Ryan S Park3, Frank Preusker4, Carol A Raymond5 and Christopher T Russell6, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)Lunar and Planetary Institute, USRA, Houston, TX, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)German Aerospace Center DLR Berlin, Berlin, Germany, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)University of California, IGPP/EPSS, Los Angeles, CA, United States
The Bright Spots in Occator Crater on Ceres: Geologic and Stratigraphic Context (131748)
Jennifer E. C. Scully, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, Debra Buczkowski, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Paul Schenk, Lunar and Planetary Institute, USRA, Houston, TX, United States, Adrian Neesemann, Free University of Berlin, Berlin, Germany, Carol A Raymond, NASA Jet Propulsion Laboratory, Pasadena, CA, United States and Christopher T Russell, University of California, IGPP/EPSS, Los Angeles, CA, United States
Ice under cover: Using bulk spatial and physical properties of probable ground ice driven mass wasting features on Ceres to better understand its surface (152520)
Kynan Hughson1, Steven J Schwartz2, Britney Schmidt3, Heather Chilton4, Jennifer E. C. Scully5, Julie C Castillo5, Jean Philippe Combe6, Eleonora Ammannito7, Hanna Sizemore8, Thomas Platz8,9, Shane Byrne10, Andreas Nathues9 and Carol A Raymond11, (1)University of Alaska Anchorage, Anchorage, AK, United States, (2)University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, CA, United States, (3)Cornell University, Astronomy and Earth & Atmospheric Sciences, Ithaca, United States, (4)California State University Fullerton, Fullerton, CA, United States, (5)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (6)Bear Fight Institute, Winthrop, WA, United States, (7)University of California Los Angeles, Los Angeles, United States, (8)Planetary Science Institute Tucson, Tucson, AZ, United States, (9)Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, (10)University of Arizona, Tucson, AZ, United States, (11)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Is Ceres’ deep interior ice-rich? Constraints from crater morphology (191450)
Michael T Bland1, Carol A Raymond2, Roger Fu3, Simone Marchi4, Julie C Castillo2, Scott D. King5, Paul Schenk6, Frank Preusker7, Ryan S Park8 and Christopher T Russell9, (1)USGS Astrogeology Science Center, Flagstaff, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)Southwest Research Institute Boulder, Boulder, CO, United States, (5)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (6)Lunar and Planetary Institute, USRA, Houston, TX, United States, (7)German Aerospace Center DLR Berlin, Berlin, Germany, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (9)University of California, IGPP/EPSS, Los Angeles, CA, United States
Behavior and Stability of Ground Ice on Ceres: Modeling Water Vapor Production (186588)
Margaret E Landis, University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, Shane Byrne, University of Arizona, Tucson, AZ, United States, Norbert Schorghofer, University of Hawaii at Manoa, Honolulu, HI, United States, Britney Schmidt, Cornell University, Astronomy and Earth & Atmospheric Sciences, Ithaca, United States, Carol A Raymond, NASA Jet Propulsion Laboratory, Pasadena, CA, United States and Steven J Schwartz, University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, CA, United States
High-resolution Ceres LAMO atlas derived from Dawn FC images (140189)
Thomas Roatsch1, Elke Kersten1, Klaus-Dieter Matz1, Frank Preusker2, Frank Scholten2, Ralf Jaumann2, Carol A Raymond3 and Steven J Schwartz4, (1)German Aerospace Center (DLR), Berlin, Germany, (2)German Aerospace Center DLR Berlin, Berlin, Germany, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, CA, United States
High-Resolution Ceres HAMO Color Mosaics derived from Dawn FC Images (140429)
Klaus-Dieter Matz1, Stefan Schroeder2, Thomas Roatsch3, Elke Kersten4, Frank Preusker1, Frank Scholten1, Ralf Jaumann1, Carol A Raymond5 and Steven J Schwartz6, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)German Aerospace Center DLR Berlin, Institute of Planetary Research, Berlin, Germany, (3)German Aerospace Center (DLR), Berlin, Germany, (4)German Aerospace Center DLR, Berlin, Germany, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)Univ California, Los Angeles, CA, United States
The nature of Ceres' bluish material. (172084)
Katrin Stephan1, Ralf Jaumann1, Katrin Krohn1, Nico Schmedemann2, Francesca Zambon3, Federico Tosi3, Filippo Giacomo Carrorro4, Lucy-Ann McFadden5, Maria Cristina De Sanctis4, Eleonora Ammannito6, Katharina A. Otto7, Klaus-Dieter Matz1, Thomas Roatsch8, Frank Preusker1, Carol A Raymond9 and Christopher T Russell10, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)Free University of Berlin, Berlin, Germany, (3)INAF-IAPS, Rome, Italy, (4)IAPS-INAF, Rome, Italy, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)University of California Los Angeles, Los Angeles, United States, (7)German Aerospace Centre (DLR), Berlin, Germany, (8)German Aerospace Center (DLR), Berlin, Germany, (9)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (10)University of California, IGPP/EPSS, Los Angeles, CA, United States
Distribution of the Ammoniated Species on the Surface of Ceres (193257)
Eleonora Ammannito1, Maria Cristina De Sanctis2, Filippo Giacomo Carrorro3, Mauro Ciarniello4, Jean Philippe Combe5, Simone De Angelis3, Bethany L Ehlmann6, Dr. Alessandro Frigeri7, Simone Marchi8, Harry Y McSween Jr9, Andrea Raponi3, Michael J Toplis10, Federico Tosi11, Julie C Castillo12, Fabrizio Capaccioni13, Maria Teresa Capria2, Sergio Fonte2, Marco Giardino2, Ralf Jaumann14, Andrea Longobardo2, Steven P Joy15, Gianfranco Magni2, Thomas B McCord5, Lucy-Ann McFadden16, Ernesto Palomba2, Carle M Pieters17, Carol Ann Polanskey18, Thomas H Prettyman19, Marc Rayman20, Carol A Raymond20, Paul Schenk21, Francesca Zambon11 and Christopher T Russell22, (1)University of California Los Angeles, Los Angeles, United States, (2)IAPS-INAF, Rome, Italy, (3)Istituto Nazionale di Astrofisica (INAF), Istituto di Astrofisica e Planetologia Spaziali (IAPS), Rome, Italy, (4)Istituto di Astrofisica e Planetologia Spatiazli IAPS-INAF, Roma, Italy, (5)Bear Fight Institute, Winthrop, WA, United States, (6)California Institute of Technology, Geological and Planetary Sciences, Pasadena, CA, United States, (7)IAPS-INAF, Istituto di Astrofisica e Planetologia Spaziali (IAPS), Rome, Italy, (8)Southwest Research Institute Boulder, Boulder, CO, United States, (9)University of Tennessee, Earth & Planetary Sciences, Knoxville, TN, United States, (10)CNRS/IRAP, University of Toulouse, Toulouse, France, (11)INAF-IAPS, Rome, Italy, (12)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (13)Organization Not Listed, Washington, DC, United States, (14)German Aerospace Center DLR Berlin, Berlin, Germany, (15)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States, (16)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (17)Brown University, Earth, Environmental and Planetary Sciences, Providence, RI, United States, (18)Jet Propulsion Laboratory, Pasadena, CA, United States, (19)Planetary Science Institute, Tucson, AZ, United States, (20)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (21)Lunar and Planetary Institute, USRA, Houston, TX, United States, (22)University of California, IGPP/EPSS, Los Angeles, CA, United States
Experimental NIR Study of Water Ice, Hydrated Salts, and mixtures. (192420)
Sandeep Singh, Jean Philippe Combe and Thomas B McCord, Bear Fight Institute, Winthrop, WA, United States
The Absence of Large Craters on Ceres Is Consistent with an Early Phase of Tectonic Activity (149594)
Scott D. King1, Michael T Bland2, Roger Fu3, Anton Ermakov4, Simone Marchi5, Julie C Castillo6, Jennifer E. C. Scully6, Carol A Raymond7 and Christopher T Russell8, (1)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (2)USGS Astrogeology Science Center, Flagstaff, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)University of California, Berkeley, Space Sciences Laboratory, Berkeley, United States, (5)Southwest Research Institute Boulder, Boulder, CO, United States, (6)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (8)University of California, IGPP/EPSS, Los Angeles, CA, United States
Ceres’ obliquity history: implications for permanently shadowed regions (135120)
Anton Ermakov, University of California, Berkeley, Space Sciences Laboratory, Berkeley, United States, Erwan Mazarico, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Stefan Schroeder, German Aerospace Center DLR Berlin, Institute of Planetary Research, Berlin, Germany, Uri Carsenty, German Aerospace Center DLR Berlin, Berlin, Germany, Norbert Schorghofer, University of Hawaii at Manoa, Honolulu, HI, United States, Carol A Raymond, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Maria T Zuber, Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, David E Smith, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States and Christopher T Russell, University of California, IGPP/EPSS, Los Angeles, CA, United States
Model Simulations For a Potential Bow Shock at Ceres (141165)
Michaela Nicole Villarreal1, Steven J Schwartz2, Ying-Dong Jia1, Thomas H Prettyman3, Naoyuki Yamashita3, Peter J Chi1 and Steven P Joy4, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Univ California, Los Angeles, CA, United States, (3)Planetary Science Institute, Tucson, AZ, United States, (4)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States
The Exosphere of Ceres Generated by Photolysis and Radiolysis (144411)
Wei-Ling Tseng, Department of Earth Sciences, National Taiwan Normal University, Taipei, Taiwan, Wing-Huen Ip, NCU National Central University of Taiwan, Jhongli, Taiwan and Yi-Jehng Kuan, National Taiwan Normal University, Taipei, Taiwan
Spectrophotometric Correction of VIR-Dawn Observations of Vesta (186881)
Pietro Scarica1, Mauro Ciarniello2, Maria Cristina De Sanctis1, Eleonora Ammannito3 and Federico Tosi4, (1)IAPS-INAF, Rome, Italy, (2)Istituto di Astrofisica e Planetologia Spatiazli IAPS-INAF, Roma, Italy, (3)University of California Los Angeles, Los Angeles, United States, (4)INAF-IAPS, Rome, Italy
Anomalous crater Marcia on asteroid 4 Vesta: Spectral signatures and their geological relationship (172607)
Tanja Giebner1, Ralf Jaumann2, Stefan Schroeder1 and Katrin Krohn1, (1)German Aerospace Center DLR Berlin, Institute of Planetary Research, Berlin, Germany, (2)German Aerospace Center DLR Berlin, Berlin, Germany
Machine Learning Applied to Dawn/VIR data of Vesta in view of MERTIS/BepiColombo. (140789)
Mario D'Amore1, Remi Le Scaon2, Jörn Helbert3, Alessandro Maturilli3, Ernesto Palomba4, Andrea Longobardo4 and Harald Hiesinger5, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)Ecole Polytechnique, Université Paris-Saclay, Paris, France, (3)German Aerospace Center DLR, Berlin, Germany, (4)IAPS-INAF, Rome, Italy, (5)University of Münster, Institute for Planetology, Münster, Germany

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