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Research for Surface Structure on Asteroids

Research Project

Project/Area Number 10640230
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionKobe University

Principal Investigator

MUKAI Tadashi  Kobe Univ., Graduate School of Sci. & Tech., Professor, 大学院・自然科学研究科, 教授 (10097412)

Co-Investigator(Kenkyū-buntansha) NAKAMURA Ryosuke  Earth Observation Research Center, NASDA, Researcher, 地球観測研究センター, 研究員 (90281732)
NAKAMURA Akiko  Graduate School of Sci. & Tech, Kobe University, Associate Professor, 大学院・自然科学研究科, 助教授 (40260012)
Project Period (FY) 1998 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 2001: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2000: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1999: ¥800,000 (Direct Cost: ¥800,000)
KeywordsSolar System / Small bodies / Asteroids / Primitive Materials
Research Abstract

1. Photopolarimetric observations of main belt asteroids by using the multi-channel polarizer in Dodaira Observatory(1998-99) and HBS in Okayama Astronomical Observatory(2000-01) have been done. A phase angle dependence of polarization, as well as a time variation of polarization and brightness along the rotation of asteroid, are observed. As a result, the existence of surface inhomogeneous albedo distribution on the asteroid has been found for 9 Metis and 3 Juno.
2. Laboratory measurements of light scattering by regolith-like materials have been performed. A dependence of scattered light intensity and polarization on the physical properties of regolith-like sample grains is derived for many different kind of sample materials.
3. Laboratory measurements, especially polarization measurements, will be continued, and the data base of different regolith-like materials will be completed. The results will be applied to analyse the in-situ data expected in MUSES-C sample return mission to the asteroid.

Report

(5 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • 1999 Annual Research Report
  • 1998 Annual Research Report
  • Research Products

    (37 results)

All Other

All Publications (37 results)

  • [Publications] T.Mukai: "Observations of Mars and its satellites by the Mars Imaging Camera(MIC) on Planet-B"Earth, Planets and Space. 50. 183-188 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] A.M.Nakamura: "Laboratory measurements of laser-scattered light by rough surfaces"Adv.Space Res.. 23. 1201-1204 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] R.Nakamura: "Optical properties of fluffy aggregates as analogue of interplanetary dust particles"Adv.Space Res.. 23. 1209-1212 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] H.Nakayama: "Observations of Polarization and Brightness Variations with the Rotation for Asteroids 9 Metis, 52 Europa, and 1036 Ganymed"Icarus. 146. 220-231 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] A.Kamei: "Laboratory study of bidirectional reflectance of powdered surfaces : On the asymmetry parameter of asteroid photometric data"Icarus. (In press). (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] T.Mukai: "Detection of mass, shape and surface roughness of target asteroid of MUSES-C by LIDAR"Adv.Space Res.. (In press). (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] T. Mukai: "Observations of Mars and its satellites by the Mars Imaging Camera (MIC) on Planet-B"Earth, Planets and Space. 50. 183-188 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] A. M. Nakamura: "Laboratory measurements of laser-scattered light by rough surfaces"Adv. Space Res.. 23. 1201-1204 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] R. Nakamura: "Optical properties of fluffy aggregates as analogue of interplanetary dust particles"Adv. Space Res.. 23. 1209-1212 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] H. Nakayama: "Observations of Polarization and Brightness Variations with the Rotation for Asteroids 9 Metis, 52 Europa, and 1036 Ganymed"Icarus. 146. 220-231 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] A. Kamei: "Laboratory study of bidirectional reflectance of powdered surfaces : On the asymmetry parameter of asteroid photometric data"Icarus. (in press). (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] T. Mukai: "Detection of mass, shape and surface roughness of target asteroid of MUSES-C by LJDAR"Adv. Space Res.. (in press). (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Nakamura, T.: "Multi-band imaging camera and its science for the Japanese Near-Earth"Earth, Planets and Space. 53. 1047-1063 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Koyama, Y.: "Radar observations of near earth asteroids"J. Communication Research Lab.. 48. 143-150 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Mukai, T.: "Physical processes on interplanetary dust"Interplanetary Dust, Springer Verlag. 445-507 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Su, W.: "Development of Radiative Transfer Model for GCOM-A1/ODUS"Proc. of SPIE 2002. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Nagumo, K.: "Reconsideration of crater size-frequency distribution on the Moon : Effect of projectile population and secondary craters"Adv. Space Res.. 28. 1181-1186 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Kamei, A.: "Laboratory study of bidirectional reflectance of powdered surfaces : On the asymmetry parameter of asteroid photometric data"Icarus. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Nakamura, A.M.: "Cratering of asteroids and small bodies"Adv. Space Res.. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Inada, A.: "Wavelength dependence of reflectance of Martian surface fogs"Adv. Space Res.. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Mukai, T.: "Detection of mass, shape and surface roughness of target asteroid of MUSES-C by LIDAR"Adv. Space Res.. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Kimura, H.: "Radiation Pressure and Poynting-Robertson Effect for Fluffy Dust Particles"Icarus. (In press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 亀井秋秀: "実験的手法による小惑星レゴリスの研究"遊星人(日本惑星科学会誌). 9・4. 197-215 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 亀井秋秀: "小惑星の光散乱特性-模擬室内実験から表面の組成と物理状態を探る"日本リモートセンシング学会誌. 20・5. 73-85 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] R.Nakamura: "The discovery of a faint glow of scattered sunlight from the dust trail of the Leonid parent comet 55P/Tempel-Tuttle"Ap.J.. 540. 1172-1176 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] R.Nakamura: "Subaru infrared spectroscopy of the Pluto-Charon system"Publ. Astron. Soc. Japan. 52. 551-556 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Yamamoto: "New model of continuous dust production from the lunar surface"Astron. and Astrophys.. 356. 1112-1118 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Nakayama: "Observations of polarization and brightness variations with the rotation for asteroids 9 Metis, 52 Europa and 1036 Ganymed"Icarus. 146. 220-231 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] A.Kamei: "Incidend angle dependence of backscattered light by regdith layers"Adv.Space Res.. 23. 1205-1208 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] A.M.Nakamura: "Laboratory measurements of laser-scottered light by rought surfaces"Adv.Space Res.. 23. 1201-1204 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Ishiguro: "Comparative Studies of Visible and IRAS Interplanetary Dust Bands"Publ.Astron.Soc.Japan. 51. 363-366 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] A.Fujiwara: "Sample return mession to NEA:MUSES-C"Adv.Space Res.. 25. 231-238 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] S.Yamamoto: "Impact faragments from asteroids by mutual collisions and cosmic dust bombramonts"Adv.Space Res.. 25. 289-292 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] M.Ishiguro: "First Detection of Visible Zodiacal Bands from the Ground-based Observations" Ap.J.511. 432-435 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] S.Iwasaki: "Simulation for light scattering by rough surface based on Kirch hoff's diffraction theory" Adv.Space Res.(in press). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] A.Kamei: "Incident angle dependence of backscattered light by regolith layers" Adv.Space Res.(in press). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] A.M.Nakamura: "Laboratory measurements of laser-scattered light by rough surfaces" Adv.Space Res.(in press). (1999)

    • Related Report
      1998 Annual Research Report

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Published: 1999-04-01   Modified: 2016-11-11  

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