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Keiji OHTSUKI

 Professor
 Department of Planetology
 Graduate School of Science
 Faculty of Science




Research Interests:

 My research interests include theoretical studies on planet formation and origin and evolution of small solar system bodies, such as asteroids, satellites, and planetary rings, using numerical and analytic methods.


Recent Publications: 

  • H. Kimura, K. Ohtsuka, S. Kikuchi, K. Ohtsuki, et al. (2022). Electrostatic dust ejection from asteroid (3200) Phaethon with the aid of mobile alkali ions at perihelion. Icarus 382, 115002 (4pp).
  • Uehata, K., Terai, T., Ohtsuki, K., Yoshida, F. (2022). Size distribution of small Jupiter Trojans in the L5 swarm. Astron. J. 163, 213 (10pp).
  • Hirata, N., Kimura, H., Ohtsuki, K. (2022). Dust release from cold ring particles as a mechanism of spoke formation in Saturn's rings. Icarus 378, 114920 (14pp).
  • Hirata, N., Morishima, R., Ohtsuki, K., Nakamura, A.M. (2022). Disruption of Saturn's ring particles by thermal stress. Icarus 378, 114919 (12pp).
  • Chang, C.-K., Y.-T. Chen, W. C. Fraser, et al. (21番目)(2022). FOSSIL: II. The rotation periods of small-sized Hilda asteroids. Astrophys. J. Suppl. 259, 7 (8pp).
  • Maeda, N., T. Terai, K. Ohtsuki, F. Yoshida, K. Ishihara, T. Deyama (2021). Size distributions of bluish and reddish small main-belt asteroids obtained by Subaru/Hyper Suprime-Cam. Astron. J. 162, 280 (15pp).
  • Chang, C.-K., Y.-T. Chen, W. C. Fraser, et al. (23番目)(2021). FOSSIL: I. The spin rate limit of Jupiter Trojans. Planet. Science J. 2, 191 (11pp).
  • Homma, T., Ohtsuki, K., Maeda, N., Suetsugu, R., Machida, M. N., Tanigawa, T. (2020). Delivery of pebbles from the protoplanetary disk into circumplanetary disks. Astrophys. J. 903, 98 (17pp).
  • Hirata, N., Suetsugu, R., Ohtsuki, K. (2020). A global system of furrows on Ganymede indicative of their creation in a single impact event. Icarus 352, 113941 (13pp).
  • Ohtsuki, K., Kawamura, H., Hirata, N., Daisaka, H., Kimura, H. (2020). Size of the smallest particles in Saturn's rings. Icarus 344, 113346 (11pp).
  • Salo, H., K. Ohtsuki, M. Lewis (2018). Computer simulations of planetary rings. In 'Planetary Ring Systems' (M. Tiscareno & C. Murray. Eds.), Cambridge Univ. Press, pp. 434-493.
  • Sakugawa, H., Terai, T., K. Ohtsuki, F. Yoshida, N. Takato, P. S. Lykawka, S.-Y. Wang (2018). Colors of Centaurs observed by the Subaru Hyper Suprime-Cam and implications for their origin. Publ. Astron. Soc. Japan, 70, 116 (11pp).
  • Suetsugu, R., K. Ohtsuki (2017). Distribution of captured planetesimals in circumplanetary gas disks and implications for accretion of regular satellites. Astrophys. J. 839, 66 (15pp).
  • Hyodo, R., S. Charnoz, K. Ohtsuki, H. Genda (2017). Ring formation around giant planets by tidal disruption of a single passing large Kuiper belt object. Icarus 282, 195-213.


Academic Associations: 



                                           Updated April 26 2022

     

Department of Planetology, Graduate School of Science, Kobe University

ADDRESS
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