本文へスキップ

神戸大学 理学研究科 惑星学専攻・惑星学科 Home Page

STAFF

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: 

  • 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.
  • Hyodo, R., S. Charnoz, H. Genda, K. Ohtsuki (2016). Formation of Centaurs' rings through their partial tidal disruption during planetary encounters. Astrophys. J. Lett. 828, L8 (6pp).
  • Suetsugu, R., K. Ohtsuki, T. Fujita (2016). Orbital characteristics of planetesimals captured by circumplanetry gas disks. Astron. J. 151, 140 (13pp)
  • Suetsugu, R., K. Ohtsuki (2016). Capture of planetesimals by waning circumplanetary disks. Astrophys. J., 820, 128 (18pp).
  • Hyodo, R., Ohtsuki, K. (2015), Saturn's F ring and shepherd satellites a natural outcome of satellite system formation. Nature Geosci., 8, 686-689.
  • Hyodo, R., Ohtsuki, K., Takeda, T. (2015), Formation of multiple-satellite systems from low-mass circumplanetary particle disks, Astrophys. J., 799, 40 (15pp).
  • Yasui, Y., Ohtsuki, K., Daisaka, H. (2014), Gravitational accretion of particles onto moonlets embedded in Saturn's rings, Astrophys. J., 797, 93 (15pp).
  • Hyodo, R., Ohtsuki, K. (2014), Collisional disruption of gravitational aggregates in the tidal environment, Astrophys. J., 787, 56 (14pp).
  • Fujita, T., Ohtsuki, K., Tanigawa, T., Suetsugu, R. (2013), Capture of planetesimals by gas drag from circumplanetary disks, Astron J., 146, 140 (13pp).
  • Ohtsuki, K., Yasui, Y., Daisaka, H. (2013), Accretion rates of moonlets embedded in circumplanetary particle disks, Astron J., 146, 25 (12pp).
  • Suetsugu, R., Ohtsuki, K. (2013), Temporary capture of planetesimals by a giant planet and implication for the origin of irregular satellites, Mon. Not. R. Astron. Soc., 431, 1709-1718.
  • Ohtsuki, K. (2012), Collisions and gravitational interactions between particles in planetary rings, Prog. Theor. Phys. Suppl., 195, 29-47.
  • Schmidt, J., Ohtsuki, K., Rappaport, N., Salo, H., Spahn, F. (2009), Dynamics of Saturn's dense rings, in 'Saturn from Cassini-Huygens', eds. M. Dougherty et al. (Springer), pp. 413-458.


Academic Associations: 



                                           Updated April 1 2017

     

Department of Planetology, Graduate School of Science, Kobe University

ADDRESS
1-1, Rokkodai-cho, Nada-ku, Kobe, Hyogo, Japan, 657-8501

TEL: (+81)-78-803-6483
FAX :(+81)-78-803-5791