Japan Geoscience Union Meeting 2021

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[E] Oral

P (Space and Planetary Sciences ) » P-PS Planetary Sciences

[P-PS04] Small Solar System Bodies: A New Insight from Hayabusa2, OSIRIS-REx and Other Space Missions

Sun. Jun 6, 2021 9:00 AM - 10:30 AM Ch.04 (Zoom Room 04)

convener:Tatsuaki Okada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency), Taishi Nakamoto(Tokyo Institute of Technology), Daisuke Kuroda(Kyoto University), Chairperson:Tatsuaki Okada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency), Taishi Nakamoto(Tokyo Institute of Technology), YACHEN YANG(Center for Space and Remote Sensing Research)

Small Solar System bodies, including asteroids, comets, satellites, and interplanetary dust particles, are notably important for understanding the origin and evolution of our Solar System, as well as investigating the sources of building blocks of life. Many new discoveries on small bodies have been carried out by observations from ground-based and space-based observatories, and explorations by spacecraft rendezvous and flyby. New perspectives on solar system evolution have been paved by analyses of extraterrestrial materials such as meteorites, IDPs, and return samples by space missions. Numerical and laboratory simulation studies have helped interpretations for those results and proposed new insights on these topics. In this session, new results of scientific studies and new ideas of methodology for investigating small solar system bodies are highly welcome, especially the topics on the remote sensing, surface experiments, and analysis of return sample in the Hayabusa2 and OSIRIS-REx missions, as well as the expectations and preparations for future missions including MMX, Destiny+, Hera, Comet Interceptor, and Hayabusa2-Extended missions.

9:05 AM - 9:20 AM

[PPS04-02] Interdisiplinary Science of Hayabusa2 Mission

*Sei-ichiro WATANABE1, Hikaru Yabuta2, Koji Wada3, Naru Hirata4, Naoyuki Hirata5, Yuri Shimaki7, Rina Noguchi7, Seiji Sugita6, Kohei Kitazato4, Tatsuaki Okada7, Noriyuki Namiki8, Shogo Tachibana6,7, Masahiko Arakawa5, Satoshi Tanaka7 (1.Nagoya University, 2.Hiroshima University, 3.Chiba Institute of Technology, 4.University of Aizu, 5.Kobe University, 6.University of Tokyo, 7.JAXA/ISAS, 8.National Astronomical Observatory)

9:20 AM - 9:35 AM

[PPS04-03] Progress report of initial description of the C-type asteroid Ryugu samples returned by Hayabusa2

*Toru Yada1, Masanao Abe1, Aiko Nakato1, Kasumi Yogata1, Akiko Miyazaki1, Kazuya Kumagai2, Kentaro Hatakeda2, Tatsuaki Okada1, Masahiro Nishimura1, Shizuho Furuya1, Yoshitake Miwa1, Ayako Iwamae2, Lucie Liu1, Lionel Lourit3, Cedric Pilorget3, Vincent Hamm3, Jean-Pierre Bibring3, Yuichiro Cho4, Koki Yumoto4, Yuna Yabe4, Seiji Sugita4, Shogo Tachibana4, Hirotaka Sawada1, Sakamoto Kanako1, Tasuku Hayashi1, Daiki Yamamoto1, Ryota Fukai1, Haruna Sugahara1, Hisayoshi Yurimoto5, Tomohiro Usui1, Sei-ichiro WATANABE6, Yuichi Tsuda1 (1.Japan Aerospace Exploration Agency, 2.Marine Works Japan, 3.Institut D’Astrophysique Spatiale, 4.University of Tokyo, 5.Hokkaido University, 6.Nagoya University)

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