Okamoto Takaya 岡本尚也

Researcher Number	80756130
Other IDs	https://orcid.org/0000-0001-6131-3578
Affiliation (Current)	2025: 千葉工業大学, 惑星探査研究センター, 研究員
Affiliation (based on the past Project Information) *help	2021 – 2023: 千葉工業大学, 惑星探査研究センター, 研究員 2018 – 2020: 国立研究開発法人宇宙航空研究開発機構, 宇宙科学研究所, 特別研究員(PD) 2017: 千葉工業大学, 惑星探査研究センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 17040:Solid earth sciences-related Except Principal Investigator Basic Section 17010:Space and planetary sciences-related / Geochemistry/Cosmochemistry
Keywords	Principal Investigator 数値衝突計算 / 室内衝突実験 / 高速衝突実験 / クレーター形成 / 低重力 / クレーター / 衝突実験 / 微小重力 / 小天体 Except Principal Investigator レゴリス … More / 微小重力 / 小天体 / クレーター / 天体衝突 / 惑星期限・進化 / 地球化学 / 宇宙科学 / 惑星探査 / 地球科学 / 惑星起源・進化 Less

専用装置による小天体衝突過程重力依存性の実証的研究
- Principal Investigator
  
  中村昭子
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17010:Space and planetary sciences-related
- Research Institution
  Kobe University
Investigation of the crater formation process in high-velocity impacts under low gravityPrincipal Investigator
- Principal Investigator
  
  Okamoto Takaya
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Chiba Institute of Technology
  Japan Aerospace EXploration Agency
Study on impact spallation: Material transfer between planetary bodies by impacts
- Principal Investigator
  
  Genda Hidenori
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geochemistry/Cosmochemistry
- Research Institution
  Tokyo Institute of Technology

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Impact experiments on granular materials under low gravity: Effects of cohesive strength, internal friction, and porosity of particle layers on crater size2023
- Author(s)
  Kiuchi Masato、Okamoto Takaya、Nagaashi Yuuya、Yamaguchi Yukari、Hasegawa Sunao、Nakamura Akiko M.
- Journal Title
  
  Icarus
  
  Volume: 404 Pages: 115685-115685
- DOI
  10.1016/j.icarus.2023.115685
- Data Source
  KAKENHI-PROJECT-19K14824
[Journal Article] Impact ejecta near the impact point observed using ultra‐high‐speed imaging and SPH simulations and a comparison of the two methods2020
- Author(s)
  Okamoto, T.、Kurosawa, K.、Genda, H.、Matsui, T.
- Journal Title
  
  JGR Planets
  
  Volume: 125 Issue: 4 Pages: 1-17
- DOI
  10.1029/2019je005943
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18KK0092, KAKENHI-ORGANIZER-17H06454, KAKENHI-PROJECT-19H00715, KAKENHI-PROJECT-17H02990, KAKENHI-PROJECT-18J00027, KAKENHI-PROJECT-20KK0080, KAKENHI-PLANNED-17H06457
[Journal Article] Shock Vaporization/Devolatilization of Evaporitic Minerals, Halite and Gypsum, in an Open System Investigated by a Two‐Stage Light Gas Gun2019
- Author(s)
  Kurosawa Kosuke、Moriwaki Ryota、Komatsu Goro、Okamoto Takaya、Sakuma Hiroshi、Yabuta Hikaru、Matsui Takafumi
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 46 Issue: 13 Pages: 7258-7267
- DOI
  10.1029/2019gl083249
- NAID
  120006778529
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03910, KAKENHI-PLANNED-17H06458, KAKENHI-PUBLICLY-18H04461, KAKENHI-PUBLICLY-18H04464, KAKENHI-PROJECT-19H00726, KAKENHI-PROJECT-17H02990, KAKENHI-PROJECT-19H01954, KAKENHI-PROJECT-17K18812
[Journal Article] Increase in cratering efficiency with target curvature in strength-controlled craters2018
- Author(s)
  Suzuki A.I.、Okamoto C.、Kurosawa K.、Kadono T.、Hasegawa S.、Hirai T.
- Journal Title
  
  Icarus
  
  Volume: 301 Pages: 1-8
- DOI
  10.1016/j.icarus.2017.10.019
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K18812, KAKENHI-PROJECT-17H02990, KAKENHI-PROJECT-17H01175
[Journal Article] The launch of Martian meteorites2018
- Author(s)
  黒澤耕介、玄田英典、岡本尚也、松井孝典
- Journal Title
  
  Planetary People - The Japanese Society for Planetary Sciences
  
  Volume: 27 Issue: 3 Pages: 197-206
- DOI
  10.14909/yuseijin.27.3_197
- NAID
  130007546972
- ISSN
  0918-273X, 2423-897X
- Year and Date
  2018-09-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-17H06457, KAKENHI-PUBLICLY-18H04464, KAKENHI-PROJECT-17H02990
[Journal Article] Correlation between fragment shape and mass distributions in impact disruption2018
- Author(s)
  Kadono Toshihiko、Tanigawa Takayuki、Kurosawa Kosuke、Okamoto Takaya、Matsui Takafumi、Mizutani Hitoshi
- Journal Title
  
  Icarus
  
  Volume: 309 Pages: 260-264
- DOI
  10.1016/j.icarus.2018.03.014
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K18812, KAKENHI-PROJECT-17H02990, KAKENHI-PROJECT-15H02065, KAKENHI-PROJECT-17H01175
[Journal Article] Hydrocode modeling of the spallation process during hypervelocity impacts: Implications for the ejection of Martian meteorites2018
- Author(s)
  Kurosawa Kosuke、Okamoto Takaya、Genda Hidenori
- Journal Title
  
  Icarus
  
  Volume: 301 Pages: 219-234
- DOI
  10.1016/j.icarus.2017.09.015
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K18812, KAKENHI-PROJECT-17H02990, KAKENHI-PROJECT-18KK0092, KAKENHI-PLANNED-17H06457, KAKENHI-PROJECT-17H01175
[Presentation] Cross-sectional observation of craters formed by high-velocity impacts under low-gravity2024
- Author(s)
  Masato Kiuchi，Takaya Okamoto, Yuuya Nagaashi, Yukari Yamaguchi, Sunao Hasegawa, Akiko M. Nakamura
- Organizer
  Hypervelocity Impact Society 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 低重力下での高速度クレーター形成実験2023
- Author(s)
  木内真人，岡本尚也，長足友哉，山口祐香理, 中村昭子
- Organizer
  令和４年度宇宙科学に関する室内実験シンポジウム
- Data Source
  KAKENHI-PROJECT-21H01148
[Presentation] Cross-sectional observation of crater formation process under low-gravity by quarter-space method，JpGU Meeting 20232023
- Author(s)
  Masato Kiuchi，Takaya Okamoto, Yuuya Nagaashi, Yukari Yamaguchi, Sunao Hasegawa, Akiko M. Nakamura
- Organizer
  Japan Geoscience Union Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 低重力下でのクレーター形成過程の断面的な観察2023
- Author(s)
  木内真人，岡本尚也, 長足友哉, 山口祐香理，長谷川直, 中村昭子
- Organizer
  天体の衝突物理の解明 (XIX)
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 低重力下での粉体標的への高速度衝突実験：クレーター形成過程の断面的な観察2023
- Author(s)
  木内真人，岡本尚也, 長足友哉, 山口祐香理，長谷川直, 中村昭子
- Organizer
  日本機械学会 M&M2023 材料力学カンファレンス
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 低重力下での高速度クレーター形成実験2023
- Author(s)
  木内真人，岡本尚也，長足友哉，山口　祐香里, 長谷川直, 中村昭子
- Organizer
  令和四年度宇宙科学に関する室内実験シンポジウム
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] クオータースペース法を用いた低重力下での高速度クレーター形成実験2022
- Author(s)
  木内真人，岡本尚也，長足友哉,　長谷川　直, 中村昭子
- Organizer
  令和4年度「天体の衝突物理の解明(XVIII)」
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] クォータースペース法による低重力下でのクレーター形成過程の観察2022
- Author(s)
  木内真人, 岡本尚也，長足友哉, 山口祐香理, 長谷川直，中村昭子
- Organizer
  日本惑星科学会2022年度秋季講演会
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 微小重力下での高速度衝突クレーター形成実験III2022
- Author(s)
  木内真人 , 岡本尚也 , 長足友哉 , 長谷川直 , 中村昭子
- Organizer
  令和3年度宇宙科学に関する室内実験シンポジウム
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] クォータースペース法による低重力下でのクレーター形成過程の観察2022
- Author(s)
  木内真人, 岡本尚也, 長足友哉, 山口祐香理，長谷川直，中村昭子
- Organizer
  日本惑星科学会2022年秋季講演会
- Data Source
  KAKENHI-PROJECT-21H01148
[Presentation] 模擬低重力下での高速度衝突クレーター形成実験Ⅱ2021
- Author(s)
  木内真人, 岡本尚也, 長足友哉, 長谷川直, 中村昭子
- Organizer
  天体の衝突物理の解明 (XVII) ～小天体進化における圧密過程の役割～ (オンライン）
- Data Source
  KAKENHI-PROJECT-21H01148
[Presentation] 微小重力下での高速度衝突クレーター形成実験II2021
- Author(s)
  木内真人，岡本尚也，長足友哉, 中村昭子
- Organizer
  令和ニ年度宇宙科学に関する室内実験シンポジウム
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 模擬低重力下での高速度衝突クレーター形成実験Ⅱ2021
- Author(s)
  木内真人, 岡本尚也, 長足友哉, 長谷川直, 中村昭子
- Organizer
  天体の衝突物理の解明 (XVII) ～小天体進化における圧密過程の役割～
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] High-velocity impact experiments in reduced gravity: The effect of cohesive strength of particle layers2021
- Author(s)
  Kiuchi, M., Okamoto, T., Nagaashi, Y., Hasegawa, S., Nakamura, A. M.
- Organizer
  Japan Geoscience Union Meeting 2021
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] High-velocity impact experiments in reduced gravity: The effect of cohesive strength of particle layers2021
- Author(s)
  Masato Kiuchi, Takaya Okamoto, Yuuya Nagaashi, Sunao Hasegawa, Akiko Nakamura
- Organizer
  Japan Geoscience Union Meeting 2021 (online)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01148
[Presentation] 低重力下での高速度衝突クレーター形成実験2020
- Author(s)
  木内真人，岡本尚也，長足友哉,　長谷川　直, 中村昭子
- Organizer
  令和2年度天体の衝突物理の解明(XVI)
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] Impact Ejecta in the Vicinity of the Impact Point: A Comparison of the Laboratory Impact experiments and SPH simulations2020
- Author(s)
  Okamoto, T., Kurosawa, K., Genda, H., and Matsui, T
- Organizer
  The 2nd International Winter School for Aquaplanetology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] Experimental study of high-velocity impacts into granular material in reduced gravity2020
- Author(s)
  Kiuchi, M., Okamoto, T., Hasegawa, S., Nakamura, A. M.
- Organizer
  Japan Geoscience Union Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 微小重力下での高速度衝突クレーター形成実験2020
- Author(s)
  木内真人, 岡本尚也, 中村昭子
- Organizer
  令和元年度宇宙科学に関する室内実験シンポジウム
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] 簡易的な落下装置を用いた高速度クレーター形成実験：クレーターサイズの重力依存性2020
- Author(s)
  木内真人，岡本尚也，長足友哉,　長谷川　直, 中村昭子
- Organizer
  日本惑星科学会2020年度秋季講演会
- Data Source
  KAKENHI-PROJECT-19K14824
[Presentation] Shock vaporization/devolatilization of evaporites in an open system2019
- Author(s)
  Kurosawa, K. R. Moriwaki, G. Komatsu, T. Okamoto, H. Sakuma, H. Yabuta, and T. Matsui
- Organizer
  Lunar and Planetary Science Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] Impact-driven material transportation in the Mars system2019
- Author(s)
  黒澤耕介, 藤田和央, 玄田英典, 兵頭龍樹, 三河内岳, 新原隆史, 岡本尚也, 金田康正, 松井孝典
- Organizer
  7th Life in the Universe Workshop by Astrobiology center
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] 衝突点近傍から放出されるイジェクタの超高速撮像：SPH シミュレーションとの比較2019
- Author(s)
  岡本尚也, 黒澤耕介,玄田英典, 松井孝典
- Organizer
  平成30年度: 天体の衝突物理の解明(XIV)
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] 天体衝突による火星物質の放出過程について2018
- Author(s)
  玄田英典、黒澤耕介、岡本尚也
- Organizer
  日本惑星科学会 2018年秋季講演会
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] Shock vaporization and post-impact chemistry in an open system without any diaphragms2018
- Author(s)
  Kurosawa, K., Okamoto, T., Yabuta, H., Komatsu, G., Matsui, T.
- Organizer
  49th Lunar and Planetary Science Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] The roles of hypervelocity impacts on the surface evolution of the Hadean Earth2018
- Author(s)
  黒澤耕介, 岡本尚也, 薮田ひかる, 小松吾郎, 松井孝典
- Organizer
  日本地球惑星科学連合大会
- Invited
- Data Source
  KAKENHI-PROJECT-17H02990
[Presentation] 画像処理によるイジェクタカーテン形状の比較: 室内衝突実験 vs SPH衝突シミュレーション2017
- Author(s)
  岡本尚也, 黒澤耕介, 玄田英典, 松井孝典
- Organizer
  天体の衝突物理の解明 (XIII) ～太陽系の進化過程におけるダストの役割～
- Data Source
  KAKENHI-PROJECT-17H02990

1. Genda Hidenori (90456260)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
2. 黒澤耕介 (80616433)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
3. 中村昭子 (40260012)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 和田浩二 (10396856)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 長谷川直 (10399553)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
6. 木内真人 (90896698)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
7. YABUTA Hikaru

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 前川昭子

# of Collaborated Projects: 0 results

# of Collaborated Products: 4 results

Okamoto Takaya 岡本 尚也

Research Projects

Research Products

Co-Researchers

専用装置による小天体衝突過程重力依存性の実証的研究

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investigation of the crater formation process in high-velocity impacts under low gravityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on impact spallation: Material transfer between planetary bodies by impacts

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Impact experiments on granular materials under low gravity: Effects of cohesive strength, internal friction, and porosity of particle layers on crater size2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Impact ejecta near the impact point observed using ultra‐high‐speed imaging and SPH simulations and a comparison of the two methods2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shock Vaporization/Devolatilization of Evaporitic Minerals, Halite and Gypsum, in an Open System Investigated by a Two‐Stage Light Gas Gun2019

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Increase in cratering efficiency with target curvature in strength-controlled craters2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The launch of Martian meteorites2018

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Correlation between fragment shape and mass distributions in impact disruption2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hydrocode modeling of the spallation process during hypervelocity impacts: Implications for the ejection of Martian meteorites2018

Author(s)

Journal Title

DOI

Data Source

[Presentation] Cross-sectional observation of craters formed by high-velocity impacts under low-gravity2024

Author(s)

Organizer

Data Source

[Presentation] 低重力下での高速度クレーター形成実験2023

Author(s)

Organizer

Data Source

[Presentation] Cross-sectional observation of crater formation process under low-gravity by quarter-space method，JpGU Meeting 20232023

Author(s)

Organizer

Data Source

[Presentation] 低重力下でのクレーター形成過程の断面的な観察2023

Author(s)

Organizer

Data Source

[Presentation] 低重力下での粉体標的への高速度衝突実験： クレーター形成過程の断面的な観察2023

Author(s)

Okamoto Takaya 岡本尚也

[Presentation] 低重力下での粉体標的への高速度衝突実験：クレーター形成過程の断面的な観察2023