Study of asteroid surface material through the light scattering properties

• Project/Area Number: 18340133
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Solid earth and planetary physics
• Research Institution: Kobe University
• Principal Investigator: MUKAI Tadashi Kobe University, 大学院理学研究科, 教授 (10097412)
• Co-Investigator(Kenkyū-buntansha): NAKAMURA Akiko 神戸大学, 大学院理学研究科, 准教授 (40260012) ; 岡田 靖彦 神戸大学, 大学院・理学研究科, COE研究員 (30372650) ; 平田 成 会津大学, コンピューターソフトウエア学科, 講師 (80372655)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥11,910,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥1,110,000); Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000); Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000); Fiscal Year 2006: ¥7,100,000 (Direct Cost: ¥7,100,000)
• Keywords: 分光 / 小惑星 / 隕石 / 光散乱 / 不規則形状体

Research Abstract

小惑星表面を模擬した物質の光散乱特性を明らかにするために、(1)室内での光散乱実験を実施し、不規則形状体の光散乱データベースの構築を目指すと共に、(2)不規則形状体の光散乱を理論的に検討する手法としての数値計算ツールの開発を実施した。それらの基礎過程の研究を基に、(3)小惑星表面画像の解析から、小惑星表面物質を演繹した。

Research Products

• [Journal Article] A survey of possible impactstructures on 25143 Itokawa (2009)
  • Author(s): N. Hirata, and 10 authors (A. M. Nakamuraas 9th author)
  • Journal Title: Icarus 200 Pages: 486-502
  • Peer Reviewed
• [Journal Article] Development of simultaneous imagingpolarimeter for asteroids (2009)
  • Author(s): K. Fujita, Y. Itoh, and T. Mukai
  • Journal Title: Adv. SpaceRes. 43 Pages: 325-327
  • Peer Reviewed
• [Journal Article] Development of simultaneous imaging polarimeter for asteroids (2009)
  • Author(s): K. Fujita
  • Journal Title: Adv. Space Res. 43 Pages: 325-327
  • Peer Reviewed
• [Journal Article] A survey of possible impact structures on 25143 Itokawa (2009)
  • Author(s): N. Hirata
  • Journal Title: Icarus 200 Pages: 486-502
  • Peer Reviewed
• [Journal Article] Extended calculation ofpolarization and intensity of fractalaggregates based on rigorous methodfor light scattering simulations withnumerical orientation averaging (2008)
  • Author(s): Y. Okada, I. Mann, T. Mukai, and M.Kohler
  • Journal Title: J.Q.R.S.T 109 Pages: 2613-2627
  • Peer Reviewed
• [Journal Article] Small-scale topography of 25143Itokawa from the Hayabusa laseraltimeter (2008)
  • Author(s): O.S. Barnouin-Jha, A. F. Cheng, T. Mukai, et al.
  • Journal Title: Icarus 198 Pages: 108-124
  • Peer Reviewed
• [Journal Article] Impact processes of boulders on thesurface of asteroid 25143 Itokawa -Fragments from collisional disruption (2008)
  • Author(s): A.M.Nakamura, T.Michikami, N.Hirata et al.
  • Journal Title: Earth, Planet. Space 60 Pages: 7-12
  • Peer Reviewed
• [Journal Article] Size-frequency statistics of boulders on global surface of asteroid 25143 Itokawa (2008)
  • Author(s): T. Michikami, A. M. Nakamura, N.Hirata et al.
  • Journal Title: Earth, Planet. Space 60 Pages: 13-20
  • NAID: 10029006590
  • Peer Reviewed
• [Journal Article] Characterizing and navigating small bodies with imaging data (2008)
  • Author(s): R.W.Gaskell, O.S.Barnouin-Jha,D,J,Scheeres, A.S.Konopliv, T.Mukai et al.
  • Journal Title: Meteoritics & Planetary Science, 43 Pages: 1049-1061
  • Peer Reviewed
• [Journal Article] 小惑星の衝突 (2008)
  • Author(s): 向井正
  • Journal Title: 科学 78 Pages: 416-417
• [Journal Article] Extended calculation of polarization and intensity of fractal aggregates based onrigorous method for light scattering simulations with numerical orientation averaging (2008)
  • Author(s): Y. Okada
  • Journal Title: JQSRT 109 Pages: 2613-2627
  • Peer Reviewed
• [Journal Article] Small-scale topography of 25143 Itokawa from the Hayabusa laser altimeter (2008)
  • Author(s): O. S. Barnouin-Jha
  • Journal Title: Icarus 198 Pages: 108-124
  • Peer Reviewed
• [Journal Article] Impact processes of boulders on the surface of asteroid 25143 Itokawa -Fragments from collisional disruption (2008)
  • Author(s): A. M. Nakamura
  • Journal Title: Earth Planet. Space 60 Pages: 7-12
  • Peer Reviewed
• [Journal Article] Size-frequency statistics of boulders on global surface of asteroid 25143 Itokawa (2008)
  • Author(s): T. Michikami
  • Journal Title: Earth Planet. Space 60 Pages: 13-20
  • Peer Reviewed
• [Journal Article] Asteroids and their collisional disruption (2008)
  • Author(s): A. M. Nakamura
  • Journal Title: Lecture Notes in Physics 758 Pages: 71-97
• [Journal Article] Impact Process of Boulders on the Surface of Asteroid 25143 Itokawa-Fragments from Collisional Disruption (2008)
  • Author(s): A. M. Nakamura
  • Journal Title: Earth, Planet. Sapce 60 Pages: 7-12
  • Peer Reviewed
• [Journal Article] An overview of the LIDAR observations of asteroid 25143 Itokawa (2007)
  • Author(s): T. Mukai, S. Abe, N. Hirata et al.
  • Journal Title: Adv. Space Res.40 Pages: 187-192
  • NAID: 120002689529
  • Peer Reviewed
• [Journal Article] Grouping and adding method for calculating light scattering by large fluffy aggregates (2007)
  • Author(s): Y.Okada, T.Mukai, I.Mann, H.Nomura,T.Takeuchi, I.Sano, and S.Mukai
  • Journal Title: J.Q.S.R.T. 108 Pages: 65-80
  • Peer Reviewed
• [Journal Article] Optical properties of large aggregates (2007)
  • Author(s): T.Mukai and Y.Okada
  • Journal Title: ESA-SP643 Pages: 157-160
  • Peer Reviewed
• [Journal Article] An overview of the LIDAR observations of asteroid 25143 Itokawa (2007)
  • Author(s): T. Mukai
  • Journal Title: Adv. Space Res. 40 Pages: 187-192
  • NAID: 120002689529
  • Peer Reviewed
• [Journal Article] Grouping and adding method for calculating light scattering by large fluffy aggregates (2007)
  • Author(s): Y. Okada
  • Journal Title: J. Q. S. R. T. 108 Pages: 65-80
  • Peer Reviewed
• [Journal Article] Optical properties of large aggregates (2007)
  • Author(s): T.Mukai
  • Journal Title: ESA-SP 643 Pages: 157-160
• [Journal Article] Asteroidal surface studies by laboratory light scattering and LIDAR on HAYABUSA (2006)
  • Author(s): T.Mukai, A.M.Nakamura and T.Sakai
  • Journal Title: Adv. Space Res. 37 Pages: 138-141
  • Peer Reviewed
• [Journal Article] Light scattering by particulate media of irregularly shaped particles:Laboratory measurements and numerical simulations (2006)
  • Author(s): Y.Okada, A.M.Nakamura and T.Mukai
  • Journal Title: J.Q.S.R.T. 100 Pages: 1330-1334
  • Peer Reviewed
• [Journal Article] Detailed images of asteroid25143 Itokawa from Hayabusa (2006)
  • Author(s): J.Saito,, H.Miyamoto, R.Nakamura,M.Ishiguro, T.Michikami, A.M.Nakamura et al.
  • Journal Title: Science 312 Pages: 1341-1344
  • Peer Reviewed
• [Journal Article] The rubble-pile asteroid Itokawa as observed by Hayabusa (2006)
  • Author(s): A. Fujiwara,J. Kawaguchi,D. K.Yeomans,M. Abe,T.Mukai, et al.
  • Journal Title: Science 312 Pages: 1330-1334
  • Peer Reviewed
• [Journal Article] Mass and Local Topography Measurements of Itokawa by Hayabusa (2006)
  • Author(s): S. Abe, T. Mukai, N. Hirata et al.
  • Journal Title: Science 312 Pages: 1344-1347
  • NAID: 120002674039
  • Peer Reviewed
• [Journal Article] Asteroidal surface studies by laboratory light scattering and LIDAR on HAYABUSA (2006)
  • Author(s): T.Mukai
  • Journal Title: Adv.Space Res. 37 Pages: 138-141
• [Journal Article] Light scattering by particulate media of irregularly shaped particles : Laboratory measurements and numerical simulations (2006)
  • Author(s): Y.Okada
  • Journal Title: J.Q.S.R.T. 100(1-3) Pages: 1330-1334
• [Journal Article] Detailed images of asteroid 25143 Itokawa from Hayabusa (2006)
  • Author(s): Saito, J.
  • Journal Title: Science 312 Pages: 1341-1344
• [Journal Article] The rubble-pile asteroid Itokawa as observed by Hayabusa (2006)
  • Author(s): Fujiwara, A.
  • Journal Title: Science 312 Pages: 1330-1334
• [Presentation] イトカワボルダーの衝突形成 (2009)
  • Author(s): 中村昭子
  • Organizer: 第5回始原天体研究会
  • Place of Presentation: 国立天文台
  • Year and Date: 2009-02-28
• [Presentation] Light Scattering by Regolith Dust Particles on Icy Body (2008)
  • Author(s): T. Mukai, Y. Okada, I. Mann, and A.M.Nakamura
  • Organizer: Asia Oceania Geosciences Society (AOGS) Meeting
  • Place of Presentation: Busan, Korea (Oral)
  • Year and Date: 2008-06-16
• [Presentation] Light Scattering by Regolith Dust Particles on Icy Body (2008)
  • Author(s): T. Mukai
  • Organizer: Asia Oceania Geosciences Society (AOGS)Meeting
  • Place of Presentation: Busan, Korea
  • Year and Date: 2008-06-16
• [Presentation] Interplanetary Dust (2007)
  • Author(s): Mukai, T.
  • Organizer: Heliophysics 2007
  • Place of Presentation: Bad-Honnef, Germany
  • Year and Date: 2007-05-17
• [Presentation] Laboratory study of opposition surge of rock chips and particle layers (2007)
  • Author(s): Honda, A. M. Nakamura, T. Mukai
  • Organizer: 36th COSPAR scientific assembly
  • Place of Presentation: Beijin
• [Presentation] Reduction of iterations for the linear equation solution in DDA - application for the orientation variation of irregularly shaped particles (2007)
  • Author(s): Y. Okada, I. Mann, I. Sano, S. Mukai
  • Organizer: in The 10th Electromagnetic and light scattering conference
  • Place of Presentation: Bodrum, Turkey
• [Presentation] 普通隕石片・粉表面によるopposition surge の測定 (2007)
  • Author(s): 本田隆行, 中村昭子, 向井正
  • Organizer: 日本地球惑星科学連合2007 年大会
  • Place of Presentation: 幕張
• [Presentation] Near infrared opposition surge of carmbonaceous chondrite meteorites (2007)
  • Author(s): K. Kawakami and A.M. Nakamura
  • Organizer: 38th Lunar, Planet.Sci.Conf.
  • Place of Presentation: League City, Texas
• [Presentation] Laboratory measurements of opposition surge from simulated asteroid surfaces (2007)
  • Author(s): T. Honda, A.M. Nakamura, T. Mukai
  • Organizer: 38th Lunar, Planet. Sci. Conf.
  • Place of Presentation: League City, Texas
• [Presentation] 岩片によるopposition surge の実験的研究 (2006)
  • Author(s): 本田隆行, 中村昭子, 向井正
  • Organizer: 日本惑星科学会2006 年秋期講演会
  • Place of Presentation: HAT 神戸
• [Presentation] Microscopic surface roughness of Itokawa inferred from photometric function (2006)
  • Author(s): A. M. Nakamura, Y. Yokota, M. Ishiguro,N. Hirata, et al.
  • Organizer: 2nd Hayabusa International Symposium
  • Place of Presentation: Tokyo
• [Presentation] Laboratory study of opposition surge of chips and particle layers of meteorites (2006)
  • Author(s): T. Honda, A. M. Nakamura, and T. Mukai
  • Organizer: 2nd Hayabusa International Symposium
  • Place of Presentation: Tokyo
• [Presentation] 岩片によるopposition surge の研究 (2006)
  • Author(s): 本田隆行, 中村昭子, 向井正
  • Organizer: 地球惑星科学関連学会2006年合同大会
  • Place of Presentation: 幕張