Japan Geoscience Union Meeting 2023

Session information

[J] Online Poster

M (Multidisciplinary and Interdisciplinary) » M-ZZ Others

[M-ZZ45] Planetary defense - what should we do?

Wed. May 24, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (21) (Online Poster)

convener:Makoto Yoshikawa(Japan Aerospace Exploration Agency), Patrick Michel(Universite Cote D Azur Observatoire De La Cote D Azur CNRS Laboratoire Lagrange), Shin-ichiro Okumura(Japan Spaceguard Association), Tatsuaki Okada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)

On-site poster schedule(2023/5/23 17:15-18:45)

Activities that deal with the problems of collisions of small solar system bodies such as asteroids and comets with the Earth are called Planetary Defense or Spaceguard. These activities began in earnest in the 1990s, and now, nearly 30 years later, there has been remarkable progress. More than 30,000 Near Earth Objects (NEOs) have been discovered so far, and spacecraft have been sent to about 10 NEOs. Furthermore, in September 2022, the DART mission of the United States made an attempt to change the orbit of an asteroid. In the future, NEO missions such as ESA's Hera, OSIRIS-APEX, an extended mission of OSIRIS-REx in the United States, and Hayabusa2#, an extended mission of Japan's Hayabusa2, will be carried out. Internationally, a wide range of activities such as discussions in groups established under the United Nations, international conferences, and outreach activities are actively carried out. Based on this situation, in this session, we will summarize the current situation from various perspectives such as observation and exploration, theoretical/technical research, and social science research on NEO and planetary defense, and discuss what kind of research or action should be taken from now on.

10:45 AM - 12:15 PM

*Seitaro Urakawa1, Keisuke Sugiura2, Natsuho Maeda3, Takafumi Ootsubo4, Michitaro Koike4, Kumiko Usuda-Sato4, Kohei Kitazato5, Akihiro Hattori5, Kenichi Ito6, Kumiko Usuda-Sato7, Tomohiko Sekiguchi8 (1.Japan Spaceguard Association, 2.Tokyo Institute of Technology, 3.Kobe University, 4.National Astronomical Observatory of Japan, 5.The University of Aizu, 6.The University of Tokyo, 7.National Central of University, 8.Hokkaido University of Education)

10:45 AM - 12:15 PM

*Tatsuaki Okada1,2, Satoshi Tanaka1, Naoya Sakatani1, Yuri Shimaki1, Takuya Ishizaki1, Makoto Yoshikawa1, Hiroshi Takeuchi1, Yukio Yamamoto1, Takehiko Arai3, Hiroki Senshu4, Hirohide Demura5, Tomohiko Sekiguchi6, Toru Kouyama7, Masanori Kanamaru2 (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.University of Tokyo, 3.Maebashi Institute of Technology, 4.Chiba Institute of Technology, 5.University of Aizu, 6.Hokkaido University of Education, 7.National Institute of Advanced Industrial Science and Technology)

10:45 AM - 12:15 PM

*Masanori Kanamaru1, Giacomo Tommei2, Tatsuaki Okada3, Naoya Sakatani3, Yuri Shimaki3, Satoshi Tanaka3, Takuya Ishizaki3, Hiroki Senshu4, Takehiko Arai5, Tomohiko Sekiguchi6, Naru Hirata7, Hirohide Demura7, Seiji Sugita1 (1.The University of Tokyo, 2.The University of Pisa, 3.ISAS/JAXA, 4.Chiba Institute of Technology, 5.Maebashi Institute of Technology, 6.Hokkaido University of Education, 7.The University of Aizu)

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