Ryuki Hyodo
兵頭龍樹

Address:
Department of Solar System Sciences, ISAS,
JAXA. 3-1-1 Yoshinodai, Sagamihara Kanagawa
252-5210, Japan

Phone:+81-50-3362-4332 (JAXA: 24332)
Email:
hyodo.ryuki@jaxa.jp

Summary
A theoretical planetary scientist, working on planet formation and planetary explorations, such as Cassini,Hayabusa2, BepiColombo, MMX, 次世代サンプルリターン計画, OPENS (日本初の外惑星探査計画) .

Job Experience
2019/10/01 – Current
International Top Young Fellow (ITYF), ISAS/JAXA
2017/04/01 – 2019/09/31 JSPS Research Fellow (PD), ELSI/Tokyo-Tech
2015/04/01 – 2017/03/31 JSPS Research Fellow (DC2), Kobe University

Teaching
Rikkyo University (立教大学), 全学共通科目(全カリ)「地球の理解」– FY2020, FY2021, FY2022

Education
2016
Ph.D. in Science, Graduate School of Science, Kobe University, Japan
2015 – 2017 Visiting at the Institut de physique du globe de Paris (IPGP), France
2014
M.S. in Science, Graduate School of Science, Kobe University, Japan2012
B.Sc. in Science, Faculty of Science, Kobe University, Japan

Academic Service (Referees)NASA Proposal
Nature Geoscience
Nature Astronomy
Astronomy & Astrophysics (A&A)
Monthly Notices of the Royal Astronomical Society (MNRAS)
Astronomical Journal (AJ)
Astrophysical Journal (ApJ)
Earth, Moon, and Planets

Awards•••••2022 最優秀研究者賞 (Outstanding Young Scientist Award), The Japanese Society for Planetary
Sciences (JSPS)2019 JAXA 理事長賞 (President Award), Japan Aerospace Exploration Agency (JAXA)
2017 学長賞 (The President's Award), Kobe University
2016 最優秀発表賞 (Best Research Presentation Award), The Japanese Society for Planetary
Sciences (JSPS)2016 学長賞 (The President's Award), Kobe University

Grants
1.

2.

3.

4.

5.

6.

7.

8.

9.

2022-2025 科学研究費補助金 若手研究（代表）「進化する原始惑星系円盤における微惑星形成の理論研究」
3,600 千円
2021-2026 科学研究費補助金 基盤 A(分担)「岩石・氷・ガス惑星の衛星形成の総合的モデル:太陽系、系外惑星系」
41,210 千円
2021-2026 科学研究費補助金 基盤 A（分担）「火星衛星の形成過程を解明する」
41,730 千円
2020-2025 国際共同研究加速基金 (国際共同研究強化 B)（分担）「火星衛星の形成過程を解明する」
18,720 千円
2019-2022 JAXA 国際トップヤングフェロー（代表）「火星衛星 SR 計画および土星衛星輪 SR 計画の検討」
7,500 千円
2018-2022 科学研究費補助金 若手研究（代表）「多様な地球型惑星が持つ衛星系の起源・進化の統一的理解に向けた理論研究」
4,160 千円
2018-2018 国立天文台アストロバイオロジーセンター・プロジェクト研究（分担）「巨大天体衝突による連惑星形成の可能性について」
2,100 千円
2017-2020 JSPS Research Fellow (PD)（代表）「多様なリング-衛星系の起源・進化の統一的理解に向けた理論研究」
4,810 千円
2015-2017 JSPS Research Fellow (DC2)（代表）「惑星が持つ衛星-リング系の多様性：その起源と進化の理論的研究」
1,900 千円

Refereed Publications
42 publications (21 as first author)
6 publications in NATURE / SCIENCE publishing group (3 as first author)
1. Madeira G., Charnoz S., Zhang Y., Hyodo R., Michel P., Genda H., Winter S.G. (2023). "Exploring therecycling model of Phobos formation: rubble-pile satellites". AJ 165 161 http:// 10.3847/15383881/acbf53
2. Madeira G., Charnoz S. & Hyodo R. (2023). " Dynamical origin of Dimorphos from fast spinning
Didymos". Icarus 394, 115428 http://doi.org/10.1016/j.icarus.2023.115428
3. Okuya A., Ida S., Hyodo R., Okuzumi S. (2023). "Modeling of Accretion Disk Evolution with Silicate
Sublimation/Condensation around White Dwarfs". MNRAS 519, 1657
http://doi.org/10.1093/mnras/stac3522
4. Liang Y. & Hyodo R. (2023). "Giga-year dynamical evolution of particles around Mars". Icarus 391,
115335 https://doi.org/10.1016/j.icarus.2022.115335
5. Hyodo R. and Sugiura, K. (2022). "Formation of moons and equatorial ridge around top-shaped
asteroids after surface landslide". ApJL, 937, L36 https://doi.org/10.3847/2041-8213/ac922d
6. Nakamura T., Matsumoto M., Amano K., et al. (inc. Hyodo, R.) (2022). "Formation and evolution of Cbtype asteroid Ryugu: Direct evidence from returned samples". Science 379, eabn8671

https://doi.org/10.1126/science.abn8671
7. Hyodo R., Genda H., Sekiguchi R., Madeira G., Charnoz S. (2022). "Challenges in forming Phobos andDeimos directly from a splitting of an ancestral single moon". Planet. Sci. J. 3, 204
https://doi.org/10.3847/PSJ/ac88d2
8. Ozaki N., Yanagida K., Chikazawa T., Takeishi N. & Hyodo R. (2022). "Asteroid Flyby Cycler Trajectory
Design Using Deep Neural Networks". JGCD, 0 0:0, 1-16 https://doi.org/10.2514/1.G006487
9. Hyodo R., Ida S., Guillot T. (2022). "A "no-drift" runaway pile-up of pebbles in protoplanetary disks II.
Characteristics of the resulting planetesimal belt". A&A, 660, A117 https://doi.org/10.1051/00046361/202142345
10. Barucci M.A., Reess J.M., Bernardi P., et al. (inc. Hyodo, R.) (2021). "MIRS: an imaging spectrometerfor the MMX mission". Earth, Planets and Space, 73, 211 https://doi.org/10.1186/s40623-021-014232
11. Hyodo R. & Usui T. (2021). "Searching for life in Mars and its moons". Science 373, 742
https://doi.org/10.1126/science.abj1512
12. Arakawa S., Hyodo R., Shoji D. & Genda H. "Tidal evolution of the eccentric moon around dwarf planet(225088) Gonggong". AJ, 162, 226 https://doi.org/10.3847/1538-3881/ac1f91
13. Hyodo R. & Genda H. (2021). "Erosion and accretion by cratering impacts on rocky and icy
bodies". Astrophys. J., 913, 77 https://doi.org/10.3847/1538-4357/abf6d8
14. Charnoz S., Avice G., Hyodo R., Pignatale F.C., & Chaussidon M. (2021). "Forming pressure-traps at
the snow-line to isolate isotopic reservoirs in the absence of a planet". A&A, 652, A35
https://doi.org/10.1051/0004-6361/202038797
15. Sugiura K., Kobayashi H., Watanabe S., Genda, H., Hyodo R. & Inutsuka S. (2021). "SPH simulations
for shape deformation of rubble-Pile asteroids through spinup: the challenge for making top-shaped
asteroids Ryugu and Benue". Icarus, 365, 114505 https://doi.org/10.1016/j.icarus.2021.114505
16. Charnoz S., Sossi A.P., Lee YN., Siebert J., Hyodo R., Allibert L., Pignatale FC., Landeau M., Oza A.V.
& Moynier F. (2021). "Tidal pull of the Earth strips the proto-Moon of its volatiles". Icarus, 364, 114451
http://doi.org/10.1016/j.icarus.2021.114451
17. Hyodo R., Ida S., Guillot T. 2021. "A "no-drift" runaway pile-up of pebbles in protoplanetary disks inwhich midplane turbulence increases with radius" A&A Letters, 645, L9 https://doi.org/10.1051/00046361/202040031
18. Hyodo R., Guillot T., Ida S., Okuzumi S. and Youdin A. 2021. "Planetesimal formation around the snowline II. Dust or pebbles?". A&A, 646, A14 https://doi.org/10.1051/0004-6361/202039894
19. Ida S., Guillot T., Hyodo R., Okuzumi S. and Youdin A. 2021. "Planetesimal formation around the snowline I. Monte Carlo simulations of silicate dust pile-up in a turbulent disk". A&A, 646, A13
https://doi.org/10.1051/0004-6361/202039705
20. Hyodo, R., Genda, H. & Brasser, R. 2021. "Modification of the composition and density of Mercury fromlate accretion". Icarus, 354, 114064 https://doi.org/10.1016/j.icarus.2020.114064
21. Hyodo, R. & Genda, H. (2020). "Escape and accretion by cratering impacts: Formulation of scaling
relations for high-speed ejecta". Astrophys. J., 898, 30 https://doi.org/10.3847/1538-4357/ab9897
22. Rothery D., Massironi M., Alemanno G., et al. (inc.Hyodo, R.) 2020. "Rationale for BepiColombo
Studies of Mercury's Surface and Composition". Space Science Reviews 216, 66
http://doi.org/10.1007/s11214-020-00694-7

23. Rosenblatt P., Hyodo R., Pignatale F., Charnoz S., Trinh A., Dunseath-Terao M., Dunseath K.M.,
Genda H. 2020. “The formation of the Martian moons”, In Oxford Research Encyclopedia ofPlanetary Science. https://doi.org/10.1093/acrefore/9780190647926.013.24
24. Hyodo, R., Kurosawa, K., Genda, H., Fujita, K., Usui, T. 2019. “Transport of impact ejecta from Mars to
its moons as a means to reveal Martian history”, Scientific Reports 9, 19833
http://doi.org/10.1038/s41598-019-56139-x
25. Fujita, K., Kurosawa, K., Genda, H., Hyodo, R., Matsuyama, S., Yamagishi, A., Mikouchi, T., andNiihara, T. 2019. “Assessment of the probability of microbial contamination for sample return from
Martian moons I: Departure of microbes from Martian surface”, Life Sciences in Space Research 23,
73-84 https://doi.org/10.1016/j.lssr.2019.07.009
26. Hyodo, R., Ida, S., Charnoz, S. 2019. “Formation of rocky and icy planetesimals inside and outside thesnow line: Effects of diffusion, sublimation and back-reaction”, A&A A90, 13
https://doi.org/10.1051/0004-6361/201935935
27. Kurosawa, K., Genda, H., Hyodo, R., Yamagishi, A., Mikouchi, T., Niihara, T., Matsuyama, S. andFujita, K. 2019. “Assessment of the probability of microbial contamination for sample return from
Martian moons II: The fate of microbes on Martian moons”, Life Sciences in Space Research 23, 85100 https://doi.org/10.1016/j.lssr.2019.07.006
28. Arakawa, S., Hyodo, R., Genda, H. 2019. “Early formation of moons around large trans-Neptunian
objects via giant impacts”, Nature Astronomy 3, 802-807 https://doi.org/10.1038/s41550-019-0797-9
29. Charnoz, S., Pignatale, F., Hyodo, R., Mahan, B., Chaussidon, M., Siebert, J., Moynier, M. 2019.
“Planetesimal formation in an evolving protoplanetary disk with a dead zone”, A&A, 627, A50
https://doi.org/10.1051/0004-6361/201833216
30. Hyodo, R., Genda, H., Charnoz, S.,Rosenblatt, P., Pignatale, F. 2018. "On the Impact Origin of Phobos
and Deimos. Ⅳ Volatile depletion", Astrophys. J., 860, 2 https://doi.org/10.3847/1538-4357/aac024
31. Hyodo, R. & Genda, H. 2018. “Implantation of Martian materials in the inner solar system by a mega
impact on Mars”, Astrophys. J. Letters, 856, 2 https://doi.org/10.3847/2041-8213/aab7f0
32. Charnoz, S., Crida, A., Hyodo, R. 2018. "Rings in the Solar System: a short review", Handbook of
Exoplanets, Springer, Cham. https://doi.org/10.1007/978-3-319-30648-3_54-1
33. Pignatale, F., Charnoz, S., Rosenblatt, P., Hyodo, R., Nakamura, T., Genda, H. 2018. "On the Impact
Origin of Phobos and Deimos. Ⅲ resulting composition from different impactors", Astrophys. J., 853, 2
https://doi.org/10.3847/1538-4357/aaa23e
34. Hyodo, R., Rosenblatt, P., Genda, H., Charnoz, S., 2017. "On the Impact Origin of Phobos andDeimos. Ⅱ True Polar Wander and Disk Evolution", Astrophys. J., 851, 122
https://doi.org/10.3847/1538-4357/aa9984
35. Hyodo, R., Genda, H., Charnoz, S., & Rosenblatt, P. 2017, “On the Impact Origin of Phobos andDeimos. I. Thermodynamic and Physical Aspects”, Astrophys. J., 845, 2
https://doi.org/10.3847/1538-4357/aa81c4
36. Hyodo, R. & Charnoz, S. 2017. “Dynamical Evolution of the Debris Disk after a Satellite Catastrophic
Disruption around Saturn”, Astronomical J., 154, 34 https://doi.org/10.3847/1538-3881/aa74c9
37. Hyodo, R., Charnoz, S., Ohtsuki, K. & Genda, H. 2017. "Ring formation around giant planets by asingle encounter of Kuiper belt object", Icarus, 282, 195-213
https://doi.org/10.1016/j.icarus.2016.09.012
38. Hyodo, R., Charnoz, S., Genda, H. & Ohtsuki, K. 2016. "Formation of Centaurs' Rings through Their
Partial Tidal Disruption during Planetary Encounters" Astrophys. J. Letters, 828, L8

https://doi.org/10.3847/2041-8205/828/1/L8
39. Rosenblatt, P., Charnoz, S., Dunseath, K.M., Terao-Dunseath, M., Trinh, A., Hyodo, R., Genda, H., &Toupi, S., 2016. "Accretion of Phobos and Deimos in an extended debris disc stirred by transient
moons" Nature Geoscience 9, 581 https://doi.org/10.1038/ngeo2742
40. Hyodo, R. & Ohtsuki, K., 2015. "Saturn's F ring and shepherd satellites a natural outcome of satellite
system formation", Nature Geoscience, 8, 686-689 https://doi.org/10.1038/ngeo2508
41. Hyodo, R., Ohtsuki, K., Takeda, T., 2015. "Formation of multiple-satellite systems from low-mass
circumplanetary particle disks". Astrophys. J., 799, 40 https://doi.org/10.1088/0004-637X/799/1/40
42. Hyodo, R. & Ohtsuki, K., 2014. "Collisional Disruption of Gravitational Aggregates in the Tidal
Environment". Astrophys. J., 787, 56 https://doi.org/10.1088/0004-637X/787/1/56

International conferences2022
1.

Hyodo, R. “Late Accretion onto Mercury”, Mercury 2022, June 7-10, 2022. Orléans, France

2.

Hyodo, R. “「Outer Solar System Exploration」 ⨉ 「Multiple Asteroid Flyby Exploration」”, ISAS
Planetary Exploration Workshop 2022, Sep.28-30, 2022. (Invited)3.

Hyodo, R. “Formation of Moons and Equatorial Ridge around Top-shaped Asteroids after Surface
Landslide: Applications to asteroids Ryugu, Bennu, Didymos, and more”, Hayabusa 2022 Symposium,
Nov. 14-16, 2022.

2021
4.

Hyodo, R., Ida, S., Guillot, T. “Planetesimal formation by the “no-drift” mechanism”, Europlanet
Science Congress (EPSC), Sep.13-Sep.24, 2021. Virtual Meeting5.

Hyodo, R. “A case study of JAXA’s science-driven planetary exploration of the outer solar system”,
ISAS Planetary Exploration Workshop 2021, Sep.21-24, 2021. Virtual Meeting (Invited)

2020
6.

Hyodo, R., Genda, H., Brasser, R. “Late accretion to Mercury: Global cratering, crust erosion, andaccretion of exogenic materials", Europlanet Science Congress (EPSC) Sep.21-Oct.9, 2020. Virtual
Meeting7.

Hyodo, R., Ida, S. Charnoz. S. “Formation of rocky and icy planetesimals inside and outside the snowline”, 51th Lunar and Planetary Science Conference (LPSC), Mar. 2020, The Woodlands, Texas,
U.S.A.

8.

Hyodo, R. Kurosawa, K., Genda, H., Usui, T, Fujita, K. “Scientific Values of Martian Impact Ejecta on
its Moons”, 51th Lunar and Planetary Science Conference (LPSC), Mar. 2020, The Woodlands, Texas,
U.S.A.

2019
9.

Hyodo, R. “On the formation of Mercury: A quick summary” SWT #19, 13-18 October 2019, ESTEC ESA, Noordwijk, Netherlands

10. Hyodo, R., H. Genda “The fate of the impact-debris produced by a Borealis-forming impact”, EPSCDPS Joint Meeting 2019, 15–20 Sep. 2019, Geneva, Switzerland
11. Hyodo, R., H. Genda, “Distribution of Martian Materials in the Inner Solar System by a Mega Impact onMars”, 50th Lunar and Planetary Science Conference (LPSC), Mar. 2019, The Woodlands, Texas,

U.S.A.
12. Hyodo, R. “Mercury formation”, BepiColombo SWT #18, 11-14 March, Tokyo Skytree town, Campus of
CIT, Chiba, Japan (Invited)
13. Hyodo, R. “On the origin of ring-satellite systems around giant planets”, The 1st International
Workshop for Aquaplanetology, March. 4-6 2019, Earth-Life Science Institute, Japan (Invited)
14. Hyodo, R., H. Genda “Implantation of Martian Materials in the Inner Solar System by a Mega Impact
on Mars”, Symposium on Planetary Science 2019, Feb. 18-21 2019, Tohoku University, Japan2018
15. Hyodo, R. “On the Origin of Rings around Giant Planets and Small Bodies”, AOGS2018, June 3-8
2018, Honolulu, U.S.A. (Invited)
16. Hyodo, R. “On the Origin of Rings around Saturn”, JpGU2018, Makuhari, JAPAN, May, 20-24 2018
(Invited)
17. Hyodo, R. “MMX Mission and On the Impact Origin of Phobos and Deimos”, International Workshop"Circumplanetary Disks and Satellite Formation, Nagoya, JAPAN., Mar. 26-30 201818. Hyodo, R., Genda, H., Charnoz, S., Pignatale, F., & Rosenblatt, P. “PHYSICAL AND CHEMICALPROPERTIES OF PHOBOS AND DEIMOS IN A GIANT IMPACT HYPOTHESIS”, 49th Lunar andPlanetary Science Conference (LPSC), The Woodlands, Texas, U.S.A., Mar. 20182017
19. Hyodo R., Genda H., Kuramoto K., Watanabe S., Kamata S., Mikouchi T., Tachibana S., Iizuka T. &Fujimoto M. “Mission to an E-class asteroid”, Arizona-JAXA Workshop 2017, Tucson, Arizona, U.S.,
Nov. 12-13.
20. Hyodo R., Charnoz, S., Genda, H. & Ohtsuki, K., “On the Formation of Rings around Giant Planets”,
American Astronomical Society, DPS meeting #49, Provo, UT, U.S.A., Oct. 2017
21. Hyodo R., Genda, H., Charnoz, S. & Rosenblatt, P. “On the Origin of Phobos and Deimos in an
Impact-Generated Disk”, Goldschmidt Conference 2017, Le Palais des Congrès de Paris, Paris,
France, August, 201722. Hyodo, R., “On the giant impact origin of Phobos and Deimos: Bridging the modeling and MMX”, Multiscale Planetary Science WS, Paris Observatory, Paris, France, June, 201723. Hyodo R., Genda, H., Charnoz, S. & Rosenblatt, P., “Examining accretion process of Phobos andDeimos in giant impact-induced disk”, JpGU-AGU Joint Meeting 2017, Makuhari Messe, Chiba, Japan,
May, 2017 (invited)2016
24. Hyodo R., Charnoz, S., Genda, H. & Ohtsuki, K., “Ring formation by tidal disruption of a passing body”,
American Astronomical Society, DPS meeting #48, Pasadena, CA, U.S.A., Oct. 201625. Hyodo, R., “A recipe for rings and moons", Japan & France joint workshop, May 21, 2016, Institut
Pasteur, Paris, France
26. Hyodo, R., “Formation of a narrow ring and shepherd satellites around giant planets”, StarPlan
Seminar, Feb. 9, 2016, Centre for Star and Planet Formation, Copenhagen, Denmark2015
27. Hyodo, R., “Dynamics of Planetary Rings and Formation of Satellites”, IPGP/AIM Lab seminar, Nov. 5,
2015, University of Paris Diderot, Paris, France

28. Hyodo R., Charnoz, S., Ohtsuki, K. & Genda, H., “Physics of Tidal Disruption of Big Objects at the
Close Encounter to Saturn”, American Astronomical Society, DPS meeting #47, Washington, DC,
U.S.A., Nov. 201529. Hyodo R., “On the diversity of satellite systems formed from Roche-interior particle disks”, East AsianYoung Astronomers Meeting, Taipei, Taiwan, Feb. 20152014
30. Hyodo R. & Ohtsuki, K., “Formation of Saturn's F ring by collision between rubble-pile satellites”,
American Astronomical Society, DPS meeting #46, Tucson, Arizona, U.S.A., Nov., 201431. Hyodo R., Ohtsuki, K. & Takeda, T., “Satellite formation from circumplanetary particle disks”, Planetary
Rings Workshop, LASP, Boulder, U.S.A., Aug. 201432. Hyodo R. & Ohtsuki, K., “Collisions between gravitational aggregates in the tidal field”, Planetary
Rings Workshop, LASP, Boulder, U.S.A., Aug. 20142013
33. Hyodo R., “Direct N-body Simulations of Aggregate Collisions in the Tidal Environment”, Taiwan-Japan
Symposium on Celestial Mechanics and N-Body Dynamics, National Tsing Hua University, Taiwan,
Dec. 2013
34. Hyodo R., Ohtsuki, K. & Takeda, T., “Formation of multiple-satellite systems from circumplanetary
particle disks”, American Astronomical Society, DPS meeting #45, Denver, Colorado, U.S.A., Oct. 201335. Hyodo R. & Ohtsuki, K., “Disruption of Gravitational Aggregates in the Tidal Environment”,
International Ring Seminar, Laboratory for Atmospheric and Space Physics (LASP), Boudlder,
Colorado, U.S.A., Oct. 2013
36. Hyodo R., Ohtsuki, K. & Takeda, T., “Formation of multiple satellites from circumplanetary particle
disks”, 3rd Workshop on Binaries, Hawaii, HI, U.S.A., Jul. 201337. Hyodo R. & Ohtsuki, K., “Aggregate collision in the tidal environment”, 8th Workshop on Catastrophic
Disruption in the Solar System (CD8), Hawaii, HI, U.S.A, Jun. 2013
38. Hyodo R., Ohtsuki, K. & Takeda, T., “Evolution of circumplanetary particle disks and formation ofmultiple-satellite systems”, 44th Lunar and Planetary Science Conference (LPSC), The Woodlands,
Texas, U.S.A., Mar. 2013

Domestic conferences
1. 兵頭龍樹,“惑星形成理論と惑星探査に関するある取り組み”[日本惑星科学会・最優秀研究者賞・受賞講演], 2022 年日本惑星科学会, 2022 年 9 月,
2. 兵頭龍樹, 井田茂,“No-drift メカニズムによる微惑星形成”[口頭], 日本地球惑星科学連合 2022 年
大会（JpGU Meeting 2022）, 2022 年 5 月,
3. 兵頭龍樹,井田茂, Tristan Guillot,“No-drift メカニズムによる微惑星形成”, 2021 年日本惑星科学会, オンライン, 2021 年 9 月, オンライン
4. 兵頭龍樹, 井田茂,“微惑星形成について ― Snow line と“No-drift” mechanism”, 日本地球惑星科学連合 2021 年大会（JpGU Meeting 2021）, 2021 年 6 月, オンライン
5. 兵頭龍樹,“微惑星形成について Snow line と "No-drift" mechanism”, 惑星系形成若手研究会,
2021 年 2 月, オンライン
6. 兵頭龍樹,“惑星形成論の現状と太陽系内の物質輸送”, 第 22 回惑星圏研究会(SPS2021), 2021 年 2月, オンライン[招待講演]

7. 兵頭龍樹, 玄田英典, Ramon Brasser [口頭],"日欧共同 BepiColombo 水星探査計画に向けた取り組
み：後期集積が水星に与える影響", 2020 年日本惑星科学会, オンライン, 2020 年 11 月
8. 兵頭龍樹, “地球潮汐によってアシストされる月揮発性元素の枯渇”, 第７回衛星系研究会, 東北大学, 2020 年 2 月
9. 兵頭龍樹, 井田茂, [ポスター],"スノーライン付近での微惑星形成", 2019 年日本惑星科学会, 京都産業大学, 2019 年 10 月
10. 兵頭龍樹, 玄田英典,“Implantation of Martian Materials in the Inner Solar System by a Mega
Impact on Mars”, 日本地球惑星科学連合大会, 幕張メッセ 2019 年 5 月
11. 兵頭龍樹,“土星リング-衛星系の形成過程について”, ポスト「京」萌芽的課題・計算惑星 第 3 回
公開シンポジウム, 東京工業大学, 2019 年 3 月 [招待講演]
12. 兵頭龍樹, 黒澤耕介, 玄田英典, 藤田和央, 臼井寛裕,“火星衛星フォボスとデイモス：火星からの質
量輸送について”, 2018 年日本惑星科学会, 旭川, 2018 年 10 月
13. 兵頭龍樹,“火星衛星の起源と進化について”, 第６回衛星系研究会, 東京工業大学, 2018 年 8 月 [招待講演]14. 兵頭龍樹, 玄田英典, Sebastien Charnoz, Pascal Rosenblatt, MMX サイエンスチーム,“MMX 計画のサイエンス:火星衛星の起源”, 第 18 回 宇宙科学シンポジウ, 宇宙航空研究開発機構 宇宙科学研究所（相模原キャンパス）, 2018 年 1 月
15. 兵頭龍樹, 玄田英典, Sebastien Charnoz, Jean-Pierre Bibring, 中村智樹, Pascal Rosenblatt,“巨大衝突説から予測される火星衛星の構成粒子について”, 2017 年日本惑星科学会, 大阪大学,
2017 年 10 月
16. 兵頭龍樹, Sebastien Charnoz [口頭], 大槻圭史, 玄田英典,"多様な巨大惑星リングの形成過程について", 2016 年日本惑星科学会, ノートルダム女子大学, 2016 年 9 月
17. 兵頭龍樹, 玄田英典, Pascal Rosenblatt, Sebastien Charnoz [口頭],"火星衛星フォボス・ディモスの巨大衝突説における形成可能性", 2016 年日本惑星科学会, ノートルダム女子大学, 2016 年 9 月
18. 兵頭龍樹, Sebastien Charnoz, 大槻圭史, 玄田英典 [口頭],"微惑星の土星近接遭遇による潮汐破壊:
潮汐破壊過程の物理と土星リングの形成可能性", 日本惑星科学会, ELSI, 2015 年 10 月
19. 兵頭龍樹, 大槻圭史 [ポスター],"土星 F リング - 羊飼い衛星系の起源:土星メインリング拡散による衛星-リング系の形成",日本惑星科学会, ELSI, 2015 年 10 月
20. 兵頭龍樹 [口頭], "惑星リングの拡散進化による衛星-リング系の多様性", 新学術領域「系外惑星」
B01,B02 班 研究会 「円盤から惑星・衛星へ:形成と進化」, 東京工業大学, 2015 年 2 月
21. 兵頭龍樹, 大槻圭氏, 武田隆顕 [ポスター],"惑星リングの拡散進化と衛星集積",平成 26 年度 CfCA ユーザーズミーティング, 国立天文台三鷹, 2015 年 1 月
22. 兵頭龍樹, 大槻圭史, 武田隆顕 [ポスター],"周惑星粒子円盤の進化と衛星系の多様性", 日本惑星科学会, 仙台, 2014 年 9 月
23. 兵頭龍樹, 大槻圭氏 [口頭],"ラブルパイル小衛星の衝突破壊による土星 F リングの形成",日本惑星科学会, 仙台, 2014 年 9 月
24. 兵頭龍樹, 大槻圭史, 武田隆顕 [口頭],"周惑星粒子円盤の進化と衛星形成",衛星系研究会, 北海道大学 低温研究所, 2014 年 8 月
25. 兵頭龍樹, 大槻圭史 [ポスター],"潮汐場におけるラブルパイル天体の衝突 N 体シミュレーション",日本地球惑星科学連合大会, 横浜, 2014 年 4 月
26. 兵頭龍樹, 大槻圭史, 武田隆顕 [口頭], "Evolution of circumplanetary particle disks andformation of multiple-satellite systems",新学術「系外惑星」理論班研究会, 白馬, 2014 年 3 月
27. 兵頭龍樹, 大槻圭史 [ポスター],"N 体計算を用いた潮汐下におけるアグリゲイトの衝突破壊",平成 25
年度国立天文台 天文シミュレーションプロジェクトユーザーズミーティング, 国立天文台三鷹, 2014年1月
28. 兵頭龍樹, 大槻圭史, 武田隆顕 [口頭],"惑星周りの粒子円盤の進化と衛星形成", 日本惑星科学会,
石垣, 2013 年 11 月
29. 兵頭龍樹, 大槻圭史 [ポスター],"潮汐場における楕円体アグリゲイトの衝突破壊",日本惑星科学会,
石垣, 2013 年 11 月