Study of the Late Heavy Bombardment through the asteroid SFD and numerical simulations of collisional evolution

2011 Fiscal Year Final Research Report

• Project/Area Number: 21540441
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Solid earth and planetary physics
• Research Institution: National Astronomical Observatory of Japan
• Principal Investigator: ITO Takashi 国立天文台, 天文データセンター, 助教 (40280565)
• Co-Investigator(Kenkyū-buntansha): YOSHIDA Fumi 国立天文台, 国際連携室, 専門研究職員 (20399306)
• Co-Investigator(Renkei-kenkyūsha): TAKEDA Takaaki 国立天文台, 天文シミュレーションプロジェクト, 専門研究職員 (70413961)
• Project Period (FY): 2009 – 2011
• Keywords: 固体惑星 / 衛星 / 小惑星 / クレーター

Research Abstract

Asteroids have been playing a central role in the solar system evolution. Particularly, the near-Earth asteroids(NEAs) that approach the Earth and under active surveillance are the key objects in the collisional history of the solar system. Our study over the past three years indicates that the NEAs could fly into Earth's orbital region from a variety of places in the solar system through complicated dynamical processes, containing many ingredients from rocky asteroids to icy comets. Further accumulation of observational data as well as space mission results are necessary to get clearer pictures of the history of the solar system collisions related to NEAs.

Research Products

• [Journal Article] On the error reduction of a simple symplectic integrator (2012)
  • Author(s): Takashi Ito and Kiyotaka Tanikawa
  • Journal Title: Publ. Astron. Soc. Japan Volume: 64 Pages: 35
  • URL: http://pasj.asj.or.jp/v64/n2/640035/640035a.html
  • Peer Reviewed
• [Journal Article] Do meteoroids originated from near-Earth asteroid(25143) Itokawa exist? (2011)
  • Author(s): Katsuhito Ohtsuka, Shinsuke Abe, Takashi Ito, Tomoki Nakamura, Masanao Abe, Hajime Yano, and Jun-ichi Watanabe
  • Journal Title: Publ. Astron. Soc. Japan Volume: 63 Pages: L73-77
  • URL: http://pasj.asj.or.jp/v63/n6/630604/630604a.html
  • Peer Reviewed
• [Journal Article] A study of asteroid pole-latitude distribution based on an extended set of shape models derived by the lightcurve inversion method (2011)
  • Author(s): J. Hanus, J. Durech, M. Broz, B. D. Warner, F. Pilcher, R. Stephens, J. Oey, L. Bernasconi, S. Casulli, R. Behrend, D. Polishook, T. Henych, M. Lehky, F. Yoshida, and T. Ito
  • Journal Title: Astron. Astrophys Volume: 530 Pages: A134
  • URL: http://www.aanda.org/index.php?option=com_article & access=standard & Itemid=129 & url=/articles/aa/abs/2011/06/aa16738-11/aa16738-11.html
  • Peer Reviewed
• [Journal Article] Subaru lightcurve observations of sub-km-sized main-belt asteroids (2011)
  • Author(s): Budi Derwaman, Tsuko Nakamura Tsuko, and Fumi Yoshida
  • Journal Title: Publ. Astron. Soc. Japan Volume: 63 Pages: S555-S576
  • URL: http://pasj.asj.or.jp/v63/sp2/63s218/63s218a.html
  • Peer Reviewed
• [Journal Article] Sphericity preference in shapes of sub-km-sized fast-rotating main-belt asteroids (2011)
  • Author(s): Tsuko Nakamura, Budi Dermawan, and Fumi Yoshida
  • Journal Title: Publ. Astron. Soc. Japan Volume: 63 Pages: S577-S584
  • URL: http://pasj.asj.or.jp/v63/sp2/63s219/63s219a.html
  • Peer Reviewed
• [Journal Article] Asymmetric cratering on the Moon : Case of the raw near-Earth asteroid population (2010)
  • Author(s): Takashi Ito
  • Journal Title: Advances in Geosciences Volume: 25 Pages: 109-119
  • URL: http://ebooks.worldscinet.com/ISBN/9789814355377/9789814355377_0008.html
  • Peer Reviewed
• [Journal Article] Young asteroid families and their lightcurve observation at Maidanak Observatory, Uzbekistan (2010)
  • Author(s): Takashi Ito and Fumi Yoshida
  • Journal Title: Advances in Geosciences Volume: 25 Pages: 161-172
  • URL: http://ebooks.worldscinet.com/ISBN/9789814355377/9789814355377_0012.html
  • Peer Reviewed
• [Journal Article] Asymmetric impacts of near-Earth asteroids on the Moon (2010)
  • Author(s): Takashi Ito and Renu Malhotra
  • Journal Title: Astronomy & Astrophysics Volume: 519 Pages: A63
  • URL: http://www.aanda.org/index.php?option=com_article & access=standard & Itemid=129 & url=/articles/aa/abs/2010/11/aa12901-09/aa12901-09.html
  • Peer Reviewed
• [Journal Article] Takashi Ito and the HSC Solar System Science Group, Solar system science with the Hyper Suprime-Cam survey (2010)
  • Author(s): Fumi Yoshida, Tsuyoshi Terai, Seitaro Urakawa, Shinsuke Abe, Wing-Huen Ip, Shigeru Takahashi
  • Journal Title: Advances in Geosciences Volume: 25 Pages: 1-10
  • URL: http://ebooks.worldscinet.com/ISBN/9789814355377/9789814355377_0001.html
  • Peer Reviewed
• [Journal Article] A Search for Water Masers in the Saturnian System (2010)
  • Author(s): S. Takahashi, S. Deguchi, N. Kuno, T. Shimoikura, and F. Yoshida
  • Journal Title: Publ. Astron. Soc. Japan Volume: 62 Pages: L17-L21
  • URL: http://pasj.asj.or.jp/v62/n4/620408/620408a.html
  • Peer Reviewed
• [Journal Article] Solar radiation heating effects on 3200 Phaethon (2009)
  • Author(s): Katsuhito Ohtsuka, Aiko Nakato, Tomoki Nakamura, Daisuke Kinoshita, Takashi Ito, Makoto Yoshikawa, and Sunao Hasegawa
  • Journal Title: Publ. Astron. Soc. Japan Volume: 61 Pages: 1375-1387
  • URL: http://pasj.asj.or.jp/v61/n6/610621/610621a.html
  • Peer Reviewed
• [Journal Article] Photometric observations of young asteroid families at Maidanak Observatory (2009)
  • Author(s): Fumi Yoshida, Takashi Ito, Shigeru Takahashi, Mansur A. Ibrahimov, and Anastasiya L. Marchalkina
  • Journal Title: Advances in Geosciences Volume: 15 Pages: 119-132
  • URL: http://ebooks.worldscinet.com/ISBN/9789812836229/9789812836229_0008.html
  • Peer Reviewed
• [Journal Article] Spin rates of fast-rotating asteroids and fragments in impact disruption (2009)
  • Author(s): Toshihiko Kadono, Masahiko Arakawa, Takashi Ito, and Keiji Ohtsuki
  • Journal Title: Icarus Volume: 200 Pages: 694-697
  • URL: http://www.sciencedirect.com/science/article/pii/S0019103508004223
  • Peer Reviewed
• [Journal Article] Simultaneous photometric and polarimetric of asteroid 3 Juno (2009)
  • Author(s): S. Takahashi, F. Yoshida, K. Shinokawa, T. Mukai, and K. Kawabata
  • Journal Title: Astron. J. Volume: 138 Pages: 951-955
  • URL: http://iopscience.iop.org/1538-3881/138/3/951/
  • Peer Reviewed
• [Journal Article] Mass dispersal and angular momentum transfer during collisions between rubble-pile asteroids. II. Effects of Initial Rotation and Spin-Down through Disruptive Collisions (2009)
  • Author(s): Takaaki Takeda, Keiji Ohtsuki
  • Journal Title: Icarus Volume: 202 Pages: 514-524
  • URL: http://www.sciencedirect.com/science/article/pii/S0019103509000943
  • Peer Reviewed
• [Presentation] Asymmetric cratering on the Moon from the revised NEA model and its implication (2012)
  • Author(s): Ito, T.
  • Organizer: Subaru Users Meeting
  • Place of Presentation: Mitaka, Tokyo, Japan
  • Year and Date: 20120228-0301
• [Presentation] Slitless Spectroscopy of Small Solar System Bodies on a Dark Cloud Curtain (2012)
  • Author(s): F. Yoshida, M. Yagi, Y. Komiyama, F. Nakata, H. Furusawa, T. Ohno, S. Okamura and T. Nakamura
  • Organizer: Subaru Users Meeting 2011, National Astronomical Observatory of Japan
  • Place of Presentation: Mitaka, Tokyo, Japan
  • Year and Date: 20120228-0301
• [Presentation] Radial transport of small solar system bodies-from 10^0AU to 10^5AU- (2012)
  • Author(s): Higuchi, A., Kokubo, E., and Ito, T.
  • Organizer: Solar System Exploration and New Geosciences-Perspective for the Next Decade(MISASA IV), Institute for Study of the Earth's Interior
  • Place of Presentation: Okayama University, Misasa, Tottori, Japan
  • Year and Date: 20120224-26
• [Presentation] Asymmetric cratering on the Moon and its implication to a hidden NEA population (2012)
  • Author(s): Ito, T.
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Mitaka, Tokyo, Japan
  • Year and Date: 20120130-0201
• [Presentation] Japanese activities on Maidanak Observatory,"Maidanak Observatory Users Meeting 2012" (2012)
  • Author(s): Fumi Yoshida
  • Organizer: National Astronomical Observatory of Japan
  • Place of Presentation: Mitaka, Tokyo, Japan
  • Year and Date: 20120130-0201
• [Presentation] Dynamical evolution of the Oort cloud new comets (2011)
  • Author(s): Ito, T. and Higuchi, A.
  • Organizer: Asia-Oceania Geoscience Society 8th Annual Meeting
  • Place of Presentation: Taipei International Convention Center, Taipei, Taiwan
  • Year and Date: 20110808-12
• [Presentation] Photometric Observation of Young Asteroid Families at Maidanak Observatory in 2006-2010 (2011)
  • Author(s): Fumi Yoshida,Yui Nozawa, Takashi Ito, Shigeru Takahashi, Kiichi Okita, Mansure Ibrahimov, Shuhrat Ehgamberdiev, Anastasiya Marshalkina, Rivkat Karimov, Otabek Bbrhonov, Yusufjon Tillayev, Bahadir Hafizov, Toshifumi Yanagisawa, Hirohisa Kurosaki, Makoto Yo
  • Organizer: Asia-Oceania Geoscience Society 8th Annual Meeting
  • Place of Presentation: Taipei International Convention Center, Taipei, Taiwan
  • Year and Date: 20110808-12
• [Presentation] Slitless Spectroscopy of Small Solar System Bodies on a Dark Cloud Curtain (2011)
  • Author(s): Fumi Yoshida, Masafumi Yagi, Yutaka Komiyama, Fumiaki Nakata, Hisanori Furusawa, Tomohiro Ohno, Sadanori Okamura, Tsuko Nakamura
  • Organizer: The 11th Asian-Pacific Regional IAU Meeting
  • Place of Presentation: Chiang Mai, Thailand
  • Year and Date: 20110726-29
• [Presentation] Slitless Spectroscopy of Small Solar System Bodies on a Dark Cloud Curtain (2011)
  • Author(s): F. Yoshida, M. Yagi, Y. Komiyama, F. Nakata, H. Furusawa, T. Ohno, S. Okamura and T. Nakamura
  • Organizer: Subaru Users Meeting 2010, National Astronomical Observatory of Japan
  • Place of Presentation: Mitaka, Tokyo, Japan
  • Year and Date: 20110119-20
• [Presentation] History of the solar system derived from the record on the Moon surface-What happened on the Moon 3.8 billion years ago? (2011)
  • Author(s): Fumi Yoshida
  • Organizer: You are Galileo! Workshop in Indonesia
  • Place of Presentation: Universitas Negeri Yogyakarta, Yogyakarta, Indonesia
  • Year and Date: 2011-02-24
• [Presentation] History of the solar system derived from the record on the Moon surface-What happened on the Moon 3.8 billion years ago? (2011)
  • Author(s): Fumi Yoshida
  • Organizer: You are Galileo! Workshop in Indonesia, SMAN 38-FOSCA
  • Place of Presentation: Jakarta, Indonesia
  • Year and Date: 2011-02-22
• [Presentation] Asymmetric impact cratering on the Moon and its dependence on debiased NEA models (2010)
  • Author(s): Ito, T. and Malhotra, R.
  • Organizer: AGU Fall Meeting 2010
  • Place of Presentation: Moscone Convention Center, San Francisco California, USA
  • Year and Date: 20101213-17
• [Presentation] Stars of Asia (2010)
  • Author(s): Fumi Yoshida
  • Organizer: 11th PCST
  • Place of Presentation: New Delhi, India
  • Year and Date: 20101206-10
• [Presentation] Stars of Asia (2010)
  • Author(s): Fumi Yoshida
  • Organizer: EAMA8
  • Place of Presentation: Shanghai, China
  • Year and Date: 20101011-14
• [Presentation] Asymmetric cratering due to a steady-state NEA flux on the Moon (2010)
  • Author(s): Ito, T. and Malhotra, R.
  • Organizer: Asia-Oceania Geoscience Society 7th Annual Meeting
  • Place of Presentation: Hyderabad International Convention Centre, Hyderabad, India
  • Year and Date: 20100705-09
• [Presentation] Impact probability of the Oort cloud comets on planets (2010)
  • Author(s): Ito, T. and Higuchi, A.
  • Organizer: Asia-Oceania Geoscience Society 7th Annual Meeting
  • Place of Presentation: Hyderabad International Convention Centre, Hyderabad, India
  • Year and Date: 20100705-09
• [Presentation] Slitless Spectroscopy of Small Solar System Bodies on a Dark Cloud Curtain (2010)
  • Author(s): F. Yoshida, M. Yagi, Y. Komiyama, F. Nakata, H. Furusawa, T. Ohno, S. Okamura and T. Nakamura
  • Organizer: Asia-Oceania Geoscience Society 7th Annual Meeting
  • Place of Presentation: Hyderabad International Convention Centre, Hyderabad, India
  • Year and Date: 20100705-09
• [Presentation] JSPS Asia-Africa Platform Program : Outline and objectives (2010)
  • Author(s): Ito, T.
  • Organizer: Asia Asteroid Workshop
  • Place of Presentation: Lijiang, Yunnan, China
  • Year and Date: 20100311-12
• [Presentation] A possible collaboration with the Slitless Spectroscopic survey of Small Solar System Bodies by Subaru Telescope (2010)
  • Author(s): F. Yoshida, M. Yagi, Y. Komiyama, F. Nakata, H. Furusawa, T. Ohno, S. Okamura and T. Nakamura
  • Organizer: Asia Asteroid Workshop
  • Place of Presentation: Lijiang, Yunnan, China
  • Year and Date: 20100311-12
• [Presentation] Slitless Spectroscopy of Small Solar System Bodies on a Dark Cloud Curtain (2010)
  • Author(s): F. Yoshida, M. Yagi, Y. Komiyama, F. Nakata, H. Furusawa, T. Ohno, S. Okamura and T. Nakamura
  • Organizer: 41st Lunar and Planetary Science Conference
  • Place of Presentation: The Wooflands, Texas, USA
  • Year and Date: 20100302-05
• [Presentation] Asteroids in the solar system Public lecture (2010)
  • Author(s): Ito, T.
  • Organizer: Ulugh Beg Astronomical Institute
  • Place of Presentation: Tashkent, Uzbekistan
  • Year and Date: 2010-06-22
• [Presentation] Comparison of seeing between Maidanak and Nyukasa (2010)
  • Author(s): Ito, T.
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Tashkent, Uzbekistan
  • Year and Date: 2010-06-21
• [Presentation] Japanese activities concerning Maidanak (2010)
  • Author(s): Fumi Yoshida, Takashi Ito, Shigeru Takahashi, Kiichi Okita, Hiroshi Karoji, Shinobu Ozaki, Toshifumi Yanagisawa, Hirohisa Kurosaki, Makoto Yoshikawa, Tomohiro Yamaguchi, Noritsugu Takahashi, Seitaro Urakawa, Hiroshi Ohtani, and Yui Nozawa
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Tashkent, Uzbekistan
  • Year and Date: 2010-06-21
• [Presentation] Asteroids in the solar system Public lecture (2010)
  • Author(s): Ito, T.
  • Place of Presentation: National Central University, Zhongli, Taiwan
  • Year and Date: 2010-04-29
• [Presentation] Asteroids in the solar system Public lecture (2010)
  • Author(s): Ito, T.
  • Place of Presentation: Taipei Astronomical Museum, Taipei, Taiwan
  • Year and Date: 2010-04-28
• [Presentation] Asteroids in the solar system Public lecture (2010)
  • Author(s): Ito, T.
  • Place of Presentation: National Museum for Natural Science, Taichung, Taiwan
  • Year and Date: 2010-04-25
• [Presentation] Collaborations between NCU and NAOJ :(1) Improvements of the Maidanak observatory,(2) The HSC survey for small solar system bodies (2009)
  • Author(s): Fumi Yoshida
  • Organizer: NCU-CPS Japan-Taiwan Planetary Science Workshop, National Central University
  • Place of Presentation: Zhongli, Taiwan
  • Year and Date: 20091208-09
• [Presentation] An Insight into the Solar System History through the Size Distribution of Jupiter Trojans (2009)
  • Author(s): Fumi Yoshida
  • Organizer: CPS Workshop on Icy Moons and Origin of Jupiter and other Giant Planets
  • Place of Presentation: Hokkaido University, Sapporo, Japan
  • Year and Date: 20091109-10
• [Presentation] Photometric observations of young asteroid family at Maidanak Observatory (2009)
  • Author(s): Ito, T., Yoshida, F. and Ibrahimov, M.
  • Organizer: Asia-Oceania Geoscience Society 6th Annual Meeting
  • Place of Presentation: Suntech, Singapore
  • Year and Date: 20090811-15
• [Presentation] Impact probability of the Oort cloud comets on planets (2009)
  • Author(s): Ito, T. and Higuchi, A.
  • Organizer: Asia-Oceania Geoscience Society 6th Annual Meeting
  • Place of Presentation: Suntech, Singapore
  • Year and Date: 20090811-15
• [Presentation] Survey Design for the Small Solar System Objects with the Hyper Suprime-Cam(HSC) (2009)
  • Author(s): Fumi Yoshida and the HSC Solar System Science Group
  • Organizer: Asia-Oceania Geoscience Society 6th Annual Meeting
  • Place of Presentation: Suntech, Singapore
  • Year and Date: 20090811-15
• [Presentation] Asymmetric distribution of cratering impacts on the Moon (2009)
  • Author(s): Ito, T. and Malhotra, R.
  • Organizer: Asian Asteroid Observation Network Workshop, Purple Mountain Observatory
  • Place of Presentation: Nanjing, China
  • Year and Date: 20090725-26
• [Presentation] Asia-wide observational network for NEO observation (2009)
  • Author(s): Fumi Yoshida
  • Organizer: Asian Asteroid Observation Network Workshop, Purple Mountain Observatory
  • Place of Presentation: Nanjing, China
  • Year and Date: 20090725-26
• [Presentation] Photometric observations of young asteroids families at Maidanak Observatory (2009)
  • Author(s): Fumi Yoshida
  • Organizer: Asian Asteroid Observation Network Workshop, Purple Mountain Observatory
  • Place of Presentation: Nanjing, China
  • Year and Date: 20090725-26
• [Presentation] Asymmetric impacts of NEOs on the Moon (2009)
  • Author(s): Ito, T. and Malhotra, R.
  • Organizer: 12th Lunar & Planetary Laboratory Conference
  • Place of Presentation: Tucson, AZ, USA
  • Year and Date: 20090604-05
• [Presentation] Asia-wide network of near-Earth asteroid observation (2009)
  • Author(s): Ito, T.
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Seoul National University, Seoul, Korea
  • Year and Date: 2009-06-30
• [Presentation] Asia-wide observational network for NEO observation (2009)
  • Author(s): Fumi Yoshida
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Seoul National University, Seoul, Korea
  • Year and Date: 2009-06-30
• [Presentation] Photometric observations of young asteroids families at Maidanak Observatory (2009)
  • Author(s): Fumi Yoshida
  • Organizer: Maidanak Observatory Users Meeting
  • Place of Presentation: Seoul National University, Seoul, Korea
  • Year and Date: 2009-06-30