P21A:
A First Look at 162173 Ryugu and 101955 Bennu: Hayabusa 2 and OSIRIS-REx Arrive at Their Respective Target Asteroids I


Submit an Abstract to this Session


Session ID#: 60107

Session Description:
Both the Hayabusa 2 and OSIRIS-REx spacecrafts begin proximity operations in June 2018 and October 2018 respectively. This session presents first results from their target asteroids 162173 Ryugu and 101955 Bennu.
Primary Convener:  Olivier S Barnouin, The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Conveners:  Makoto Yoshikawa, Japan Aerospace Exploration Agency, Kanagawa, Japan and Seiji Sugita, University of Tokyo, Tokyo, Japan
Primary Liaison:  Olivier S Barnouin, The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Chairs:  Dante S Lauretta, University of Arizona, Lunar and Planetary Laboratory, Tucson, United States and Makoto Yoshikawa, Japan Aerospace Exploration Agency, Kanagawa, Japan
OSPA Liaison:  Olivier S Barnouin, JHU Applied Physics Lab, Laurel, United States
Index Terms:

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]
6207 Comparative planetology [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]

Abstracts Submitted to this Session:

OSIRIS-REx Encounters Bennu: Initial Assessment from the Approach Phase (Invited) (371366)
Dante S Lauretta1, Olivier S Barnouin2, Kris J Becker3, Carina A. Bennett3, Beau Bierhaus4, William V Boynton3, Keara N. Burke3, Philip R Christensen5, Beth Clark6, Harold C Connolly Jr1,7, M. Katherine Crombie8, Michael G Daly9, Daniella N DellaGiustina1, Jason P Dworkin10, Joshua P Emery11, Heather L Enos3, Dathon R Golish1, Victoria E Hamilton12, Carl Hergenrother3, Lucille Le Corre13, Lucy F Lim3, Patrick Michel14, Michael C Nolan3, Maurizio Pajola15, Mark E Perry2, Dennis Reuter16, Bashar Rizk3, Daniel Jay Scheeres17, Stephen R Schwartz3, Amy A Simon16, Kevin John Walsh18 and The OSIRIS-REx Team, (1)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (2)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (3)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (4)Lockheed Martin, Littleton, United States, (5)Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, (6)Ithaca College, Ithaca, NY, United States, (7)Rowan University, Department of Geology, School of Earth and Environment, Glassboro, NJ, United States, (8)Indigo Information Services, LLC, Tucson, AZ, United States, (9)York University, Centre for Research in Earth and Space Science, Toronto, ON, Canada, (10)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, United States, (11)University of Tennessee, Knoxville, TN, United States, (12)Southwest Research Institute Boulder, Boulder, CO, United States, (13)Planetary Science Institute, Tucson, AZ, United States, (14)Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, Nice, France, (15)INAF-Astronomical Observatory of Padova, Padova, Italy, (16)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (17)University of Colorado Boulder, Ann and H.J. Smead Department of Aerospace Engineering Sciences, Boulder, CO, United States, (18)Southwest Research Institute Boulder, Boulder, United States
Overview of proximity operations at asteroid Ryugu by Hayabusa2 spacecraft (Invited) (360968)
Seiichiro Watanabe1, Makoto Yoshikawa2, Satoshi Tanaka2, Seiji Sugita3, Kohei Kitazato4, Noriyuki Namiki5, Tatsuaki Okada6, Shogo Tachibana3, Ralf Jaumann7,8, J.-P. Bibring9, Naru Hirata4, Naoyuki Hirata10, Hitoshi Ikeda2, Yukio Yamamoto2, Fuyuto Terui2, Takanao Saiki6, Satoru Nakazawa6, Yuichi Tsuda6 and Hayabusa2 Joint Science Team, (1)Nagoya Univ., Nagoya, Japan, (2)JAXA, Sagamihara, Japan, (3)Univ. of Tokyo, Tokyo, Japan, (4)Univ. of Aizu, Aizu-Wakamatsu, Japan, (5)NAOJ, Mitaka, Japan, (6)Japan Aerospace Exploration Agency, Sagamihara, Japan, (7)DLR - German Aerospace Center, Institute of Planetary Research, Berlin, Germany, (8)Free Univ. of Berlin, Berlin, Germany, (9)Univ. de Paris Sud-Orsay, IAS, Orsay, France, (10)Kobe Univ., Kobe, Japan
Surface Geomorphology of Near Earth Asteroid (162173) Ryugu from in-situ Observations: First Results from the MASCOT Camera (372887)
Ralf Jaumann1, Nicole Schmitz1, Stefan Schröder1, Alexander Koncz1, Harald Michaelis1, Frank Trauthan1, Harald Hoffmann1, Stefano Mottola1, Katharina A. Otto2, Seiji Sugita3 and Hikaru Yabuta4, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)German Aerospace Center (DLR), Berlin, Germany, (3)University of Tokyo, Tokyo, Japan, (4)Hiroshima University, Higashi-Hiroshima, Japan
First Resolved Images of Asteroid (101955) Bennu (408150)
Daniella DellaGiustina1, Bashar Rizk2, Dathon R Golish1, Carina A. Bennett2, Lucille Le Corre3, Christian d'Aubigny2, Kris Becker2, Keara N. Burke2, Peter H Smith2, Carl Hergenrother2, Beth Clark4, Michael C Nolan2, Maurizio Pajola5, Kevin John Walsh6, Beau Bierhaus7, Sarah Sutton1, Matthew Chojnacki2, Moses P Milazzo8, Humberto Campins9, Julia DeLeon10, Javier Licandro11, Eric E Palmer3, Olivier S Barnouin12, Michael G Daly13, Heather L Enos2, Dante S Lauretta1 and The OSIRIS-REx Team, (1)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (2)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (3)Planetary Science Institute, Tucson, AZ, United States, (4)Ithaca College, Ithaca, NY, United States, (5)INAF-OAPd, Padova, Italy, (6)Southwest Research Institute Boulder, Boulder, United States, (7)Lockheed Martin, Littleton, United States, (8)US Geological Survey, Astrogeology Science Center, Flagstaff, United States, (9)University of Central Florida, Orlando, FL, United States, (10)Instituto de Astrofísica de Canarias, Centro de Astrofísica en La Palma (CALP), La Palma, Spain, (11)Instituto de Astrofísica de Canarias, La Laguna, Spain, (12)JHU Applied Physics Lab, Laurel, United States, (13)York University, Centre for Research in Earth and Space Science, Toronto, ON, Canada
Close-up Imaging of the Ryugu Surface from the MASCOT Lander: A Spectrophotometric Analysis (401298)
Stefan Schroeder1, Ralf Jaumann2, Nicole Schmitz3, Alexander Koncz3, Harald Michaelis3, Frank Trauthan3, Harald Hoffmann3, Stefano Mottola4, Katharina A. Otto5 and Seiji Sugita6, (1)German Aerospace Center DLR Berlin, Institute of Planetary Research, Berlin, Germany, (2)German Aerospace Ctr, Berlin, Germany, (3)German Aerospace Center DLR Berlin, Berlin, Germany, (4)German Aerospace Center (DLR), Berlin, Germany, (5)German Aerospace Centre (DLR), Berlin, Germany, (6)University of Tokyo, Tokyo, Japan
Thermophysical Properties of (101955) Bennu from OSIRIS-REx Approach Phase Data (387295)
Joshua P Emery1, Ben Rozitis2, Philip R Christensen3, Victoria E Hamilton4, Marco Delbo5, Lucy F Lim6, Cristina Thomas7, Beth Clark8, Andrew Joseph Ryan3, Catherine M Elder9, Matt Siegler10, Ellen S Howell11, Michael C Nolan12, Dante S Lauretta11 and The OSIRIS-REx Team, (1)University of Tennessee, Knoxville, TN, United States, (2)Open University, Milton Keynes, United Kingdom, (3)Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, (4)Southwest Research Institute Boulder, Boulder, CO, United States, (5)CNRS, Paris Cedex 16, France, (6)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (7)Northern Arizona University, Astronomy and Planetary Science, Flagstaff, United States, (8)Ithaca College, Ithaca, NY, United States, (9)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (10)Southern Methodist University, Dallas, United States, (11)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (12)Arecibo Observatory, Arecibo, PR, United States
Thermo-physical properties of asteroid 162173 Ryugu by TIR on Hayabusa2 (393692)
Tatsuaki Okada1,2, Tetsuya Fukuhara3, Satoshi Tanaka4, Makoto Taguchi3, Takehiko Arai5, Hiroki Senshu6, Naoya Sakatani7, Yuri Shimaki4, Hirohide Demura8, Yoshiko Ogawa9, Kohei Kitazato8, Kentaro Suko8, Tomohiko Sekiguchi10, Toru Kouyama11, Jun Takita12, Tsuneo Matsunaga13, Takeshi Imamura2, Takehiko Wada4, Sunao Hasegawa4, Jörn Helbert14, Thomas Müller15, Axel Hagermann16, Jens Biele17, Matthias Grott14, Maximiliam Hamm14, Marco Delbo18, Naru Hirata8, Yukio Yamamoto4, Fuyuto Terui4, Takanao Saiki1, Satoru Nakazawa1, Makoto Yoshikawa4, Seiichiro Watanabe19, Yuichi Tsuda1 and Hayabusa2 TIR Team, (1)Japan Aerospace Exploration Agency, Sagamihara, Japan, (2)The University of Tokyo, Tokyo, Japan, (3)Rikkyo University, Tokyo, Japan, (4)JAXA, Sagamihara, Japan, (5)Ashikaga University, Ashikaga, Japan, (6)Chiba Institute of Technology, Narashino, Japan, (7)ISAS/JAXA, Sagamihara, Japan, (8)The University of Aizu, Aizu-Wakamatsu, Japan, (9)University of Aizu, Fukushima, Japan, (10)Hokkaido University of Education, Asahikawa, Japan, (11)National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (12)Hokkaido Kitami Hokuto High School, Kitami, Japan, (13)National Institute for Environmental Studies, Tsukuba, Japan, (14)DLR, Berlin, Germany, (15)Max Planck Insitute for Extraterrestrial Physics, Garching, Germany, (16)University of Stirling, Stirling, United Kingdom, (17)DLR, Cologne, Germany, (18)CNRS, Paris Cedex 16, France, (19)Nagoya Univ., Nagoya, Japan
Surface Thermophysical Properties of Near Earth Asteroid (162173) Ryugu from in-situ Observations: First Results from the MASCOT MARA Radiometer. (355447)
Matthias Grott1, Maximilian Hamm2, Knollenberg Joerg3, Nils Tobias Mueller1, Jens Biele4, Tatsuaki Okada5, Ralf Jaumann6, Katharina A. Otto7, Nicole Schmitz1, Kazunori Ogawa8, Naoya Sakatani9, Hiroki Senshu10, Axel Hagermann11,12 and MARA Team, (1)German Aerospace Center DLR Berlin, Berlin, Germany, (2)University of Potsdam, Institute of Mathematics, Potsdam, Germany, (3)German Aerospace Center (DLR), Berlin, Germany, (4)German Aerospace Center DLR Cologne, Cologne, Germany, (5)Japan Aerospace Exploration Agency, Sagamihara, Japan, (6)German Aerospace Ctr, Berlin, Germany, (7)German Aerospace Centre (DLR), Berlin, Germany, (8)JAXA Space Exploration Center, Sagamihara, Japan, (9)ISAS/JAXA, Sagamihara, Japan, (10)Chiba Institute of Technology, Narashino, Japan, (11)The Open University, Milton Keynes, United Kingdom, (12)University of Stirling, Stirling, United Kingdom
Surface grain sizes of the touch down sites revealed by proximity imaging by Hayabusa2 (425996)
Naoya Sakatani1, Koji Wada2, Seiji Sugita3, Rie Honda4, Tomokatsu Morota5, Manabu Yamada6, Shingo Kameda7, Eri Tatsumi3, Yasuhiro Yokota1, Toru Kouyama8, Hidehiko Suzuki9, Chikatoshi Honda10, Masahiko Hayakawa1, Kazuo Yoshioka11, Moe Matsuoka12, Yuichiro Cho13, Hirotaka Sawada1, Naoko Ogawa14, Akira Miura14, Tatsuaki Okada15, Satoshi Tanaka15, Hiroki Senshu16, Takehiko Arai17, Hirohide Demura18, Kentaro Suko18, Yuri Shimaki19, Tomohiko Sekiguchi20, Jun Takita21, Thomas Müller22, Axel Hagermann23, Jens Biele24, Matthias Grott25, Marco Delbo26, Fuyuto Terui19, Satoru Nakazawa15, Takanao Saiki15, Yuichi Tsuda15, Seiichiro Watanabe27 and HAYABUSA2 International Regolith Science Group, (1)ISAS/JAXA, Sagamihara, Japan, (2)Chiba Institute of Technology, Planetary Exploration Research Center, Chiba, Japan, (3)University of Tokyo, Tokyo, Japan, (4)Kochi University, Kochi, Japan, (5)Nagoya University, Nagoya, Japan, (6)Chiba Institute of Technology, Planetary Exploration Research Center, Narashino, Japan, (7)Rikkyo University, Tokyo, Japan, (8)National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (9)Meiji University, Kanagawa, Japan, (10)University of Aizu, Aizu-Wakamatsu, Japan, (11)The University of Tokyo, Tokyo, Japan, (12)AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (13)University of Tokyo, Bunkyo-ku, Japan, (14)JAXA/ISAS, Sagamihara, Japan, (15)Japan Aerospace Exploration Agency, Sagamihara, Japan, (16)Chiba Institute of Technology, Narashino, Japan, (17)Ashikaga University, Ashikaga, Japan, (18)The University of Aizu, Aizu-Wakamatsu, Japan, (19)JAXA, Sagamihara, Japan, (20)Hokkaido University of Education, Asahikawa, Japan, (21)Hokkaido Kitami Hokuto High School, Kitami, Japan, (22)Max Planck Insitute for Extraterrestrial Physics, Garching, Germany, (23)University of Stirling, Stirling, United Kingdom, (24)German Aerospace Center DLR Cologne, Cologne, Germany, (25)German Aerospace Ctr DLR, Berlin, Germany, (26)CNRS, Paris Cedex 16, France, (27)Nagoya Univ., Nagoya, Japan
OSIRIS-REx Approach Phase Astronomical Observations of Asteroid Bennu: Searches for Hazards and Lightcurve, Color and Phase Function Photometry (371027)
Carl Hergenrother1, Chester Maleszewski2, Theodore R Kareta2, Steven R Chesley3, Eric Christensen2, Beth Clark4, Daniella N DellaGiustina2, Christian d'Aubigny1, Dathon R Golish2, Dante S Lauretta2, Jian-Yang Li5, Michael C Nolan1, Vishnu Reddy2, Bashar Rizk1, Daniel Jay Scheeres6, Frank Shelly2 and Xiao-Duan Zou7, (1)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (2)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (4)Ithaca College, Ithaca, NY, United States, (5)Planetary Science Institute, Tucson, United States, (6)University of Colorado Boulder, Ann and H.J. Smead Department of Aerospace Engineering Sciences, Boulder, CO, United States, (7)Planetary Science Institute Tucson, Tucson, AZ, United States
A first look at Bennu and Ryugu for signatures of formation in the arrangements of its surface features (372192)
Stephen R Schwartz1,2, Erik I Asphaug1, Ronald-Louis Ballouz3, Yuichiro Cho4, Harold C Connolly Jr5, Daniella DellaGiustina6, Masahiko Hayakawa3, Chikatoshi Honda7, Rie Honda8, Martin Jutzi9, Shingo Kameda10, Toru Kouyama11, Dante S Lauretta6, Moe Matsuoka12, Hideaki Miyamoto13, Tomokatsu Morota14, Maurizio Pajola15, Alice C Quillen16, Naoya Sakatani3, Hirotaka Sawada3, Seiji Sugita4, Hidehiko Suzuki17, Eri Tatsumi4, Kevin John Walsh18, Manabu Yamada19, Yasuhiro Yokota3, Kazuo Yoshioka20 and The OSIRIS-REx and Hayabusa2 Teams, (1)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (2)Université Côte d'Azur, Observatoire de la Côte d'Azur, Nice, France, (3)ISAS/JAXA, Sagamihara, Japan, (4)University of Tokyo, Tokyo, Japan, (5)Rowan University, Department of Geology, School of Earth and Environment, Glassboro, NJ, United States, (6)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (7)University of Aizu, Aizu-Wakamatsu, Japan, (8)Kochi University, Kochi, Japan, (9)University of Bern, Physics Institute, Space Research and Planetary Sciences, Center for Space and Habitability, Bern, Switzerland, (10)Rikkyo University, Tokyo, Japan, (11)National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (12)AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (13)University of Tokyo, Bunkyo-ku, Japan, (14)Nagoya University, Nagoya, Japan, (15)INAF-Astronomical Observatory of Padova, Padova, Italy, (16)University of Rochester, Department of Physics and Astronomy, Rochester, NY, United States, (17)Meiji University, Kawasaki, Japan, (18)Southwest Research Institute Boulder, Boulder, United States, (19)Chiba Institute of Technology, Planetary Exploration Research Center, Narashino, Japan, (20)University of Tokyo, Graduate School of Frontier Science, Bunkyo-ku, Japan

See more of: Planetary Sciences