[P-PS07] Solar System Small Bodies: Explorations of Ryugu, Bennu, and the Solar System at Large

convener:Taishi Nakamoto(Tokyo Institute of Technology), Tatsuaki Okada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency), Dante S Lauretta(University of Arizona), Masateru Ishiguro(Department of Physics and Astronomy, Seoul National University)

Small Solar System bodies, including asteroids, comets, satellites, and inter-planetary dust particles, are interesting and provide lots of information on the origin and evolution of our Solar System. They can be remotely sensed by telescopes, be visited by spacecraft and studied at high resolution in a variety of wavelengths from IR to visible, UV, X-rays, and gamma rays, and even with neutrons. In addition, recently spacecrafts have been sent to return samples. In this session, all the contributions on the small solar system bodies are welcome. But this year, we especially welcome contributions on recent advances on the study of Ryugu and Bennu whether obtained by rendezvous spacecraft, remote sensing, or other methods.

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[PPS07-21] Evolution of thermally metamorphosed C-complex asteroids inferred from a heated CM chondrite Jbilet Winselwan

★Invited Papers

*Wataru Fujiya¹, Hisato Higashi¹, Yuki Hibiya², Shingo Sugawara¹, Akira Yamaguchi³, Makoto Kimura³, Ko Hashizume¹ (1.Ibaraki University, College of Science, 2.Japan Agency for Marine-Earth Science and Technology, 3.National Institute of Polar Research)

[PPS07-22] Aggregate structure of comet 67P/Churyumov-Gerasimenko

*Sota ARAKAWA^1,2, Kazumasa Ohno^3,2 (1.NAOJ, 2. Tokyo Tech, 3.UCSC)

[PPS07-23] Numerical Simulations of Spinup of Asteroids and the Formation of Top-Shaped Asteroids

*Keisuke Sugiura¹, Hiroshi Kobayashi², Sei-ichiro WATANABE³, Hidenori Genda¹, Ryuki Hyodo⁴, Shu-ichiro Inutsuka² (1.Tokyo Institute of Technology, Earth Life Science Institute, 2.Nagoya University, Department of Physics, 3.Nagoya University, Department of Earth and Environmental Sciences, 4.JAXA, ISAS, Department of Solar System Sciences)

[PPS07-24] YORP Effect on Asteroid Ryugu

*Masanori Kanamaru¹, Sho Sasaki¹, Tomokatsu Morota², Yuichiro Cho², Naru Hirata³, Naoyuki Hirata⁴, Hiroki Senshu⁵, Yuri Shimaki⁶, Satoshi Tanaka⁶, Tatsuaki Okada⁶, Tomohiro Usui⁶, Seiji Sugita², Sei-ichiro WATANABE⁷ (1.Osaka University, 2.The University of Tokyo, 3.The University of Aizu, 4.Kobe University, 5.Chiba Institute of Technology, 6.ISAS/JAXA, 7.Nagoya University)

[PPS07-25] Likelihood for rubble-pile near-Earth asteroids to be 1st or Nth generation: focus on Bennu and Ryugu

*Kevin John Walsh¹, Ronald Ballouz², William F Bottke¹, Chrysa Avdellidou³, Harold C Connolly Jr.⁴, Marco Delbo³, Daniella N DellaGiustina², Erica R Jawin⁵, Timothy McCoy⁵, Patrick Michel³, Tomokatsu Morota⁶, Michael C Nolan², Steven R Schwartz², Seiji Sugita⁶, Dante S Lauretta² (1.Southwest Research Institute Boulder, 2.Lunar and Planetary Laboratory, University of Arizona, 3.Laboratoire Lagrange, Université Côte d’Azur, 4.Dept. of Geology, Rowan University, 5.Smithsonian Institution National Museum of Natural History, 6.University of Tokyo)