[P-PS01] Outer Solar System Exploration Today, and Tomorrow

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

convener:Jun Kimura(Osaka University), Yasumasa Kasaba(Dep. Geophysics Graduate School of Science Tohoku University), Steven Vance(Jet Propulsion Laboratory, Caltech, 共同), Kunio M. Sayanagi (Hampton University)

The giant planets provide many keys to understanding planetary processes. They play an important role in shaping our solar system, and the physical and chemical processes they harbor also provide a unique opportunity to study the phenomena relevant for studying
Earth and other planets, including exoplanetary systems. In this session, we discuss a wide range of topics encompassing the giant planets and their moons, including their origins, interiors, atmospheres, compositions, surface features, and electromagnetic fields. To advocate for current and future outer planets exploration (Cassini, Juno, New Horizons, JUICE, and beyond), we also call for discussions on future missions to explore giant planet systems, including how to develop better international cooperation. Discussion in this latter category will include progress in developing a solar sail mission concept for observing the Jupiter system and its trojan asteroids.

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[PPS01-P01] Science and objectives of the JUICE-Japan team: interdisciplinary researches toward understanding the origin of the Jovian system and habitability of the Galilean moons

*Yasuhito Sekine¹, Yoshifumi Saito², Kazushi Asamura², Keigo Enya², Junichi Haruyama², Yasumasa Kasaba³, YASUKO KASAI⁴, Ayako Matsuoka², Kazuyuki Tohara², team JUICE-Japan (1.University of Tokyo, 2.JAXA, 3.Tohoku University, 4.NICT)

[PPS01-P02] The Radio & Plasma Wave Investigation (RPWI) for JUICE for the investigation of Jupiter and Icy Moons System: Contributions from Japan

*Yasumasa Kasaba¹, Hiroaki Misawa², Fuminori Tsuchiya², Atsushi Kumamoto¹, Yuto Katoh¹, Tomoki Kimura⁵, Hajime Kita¹, Yuki Nakamura¹, Yoshizumi Miyoshi⁶, Yoshiya Kasahara⁷, Satoshi Yagitani⁷, Mitsunori Ozaki⁷, Hirotsugu Kojima⁸, B. Cecconi⁴, J.-E. Wahlund³, RPWI Japan Team (1.Dep. Geophys., Tohoku Univ., 2.PPARC, Tohoku Univ., 3.IRF Uppsala, Sweden, 4.Obs. de Paris, France, 5.RIKEN, 6.ISEE, Nagoya Univ., 7.Kanazawa Univ., 8.RISH, Kyoto Univ.)

[PPS01-P03] Evolution of Icy Moon's Interior Uncovered by Laboratory Experiment: Modeling of Space Weather by Ion Irradiation

*Tomoki Kimura¹, Yusuke Nakauchi², Jun Kimura³, Koutaku Suzuki⁴, Yoshinori Nakata⁴, Toru Tamagawa⁵, Asami Hayato⁵, Toshio Nakano⁵, Go Murakami⁶, Kazuo Yoshioka⁷ (1.Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 2.Research Cluster for Space Science, Aizu University, 3.Graduate School of Science, Osaka University, 4.Wakasa-Wan Energy Research Center, 5.RIKEN Nishina Center for Accelerator-Based Science, 6.JAXA/ISAS, 7.Department of Complexity Science and Engineering, Tokyo University)

[PPS01-P04] Ganymede's volume expansion in the intermediate stage : Clues to temperature change and phase change of ices.

*Masahiro Yoda¹, Jun Kimura², Kei Kurita³ (1.Department of Earh and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Osaka University, 3.Earthquake Research Institute, The University of Tokyo)

[PPS01-P05] Evolution of subsurface ocean and constraint for the interior in Pluto

*Jun Kimura¹, Shunichi Kamata² (1.Osaka University, 2.Hokkaido University)

[PPS01-P06] Accretion of Vertically Stirred Small Bodies in the Protoplanetary Disk onto Circum-Planetary Disks

Toru Homma¹, *Keiji Ohtsuki¹, Ryo Suetsugu², Masahiro N. Machida³ (1.Graduate School of Science, Kobe University, 2.University of Occupational and Environmental Health, 3.Graduate School of Science, Kyushu University)

[PPS01-P07] Small Next-generation Atmospheric Probe (SNAP) Concept for In-Situ Atmosephric Exploration of Uranus and/or Neptune

*Sayanagi M. Kunio¹, Robert A. Dillman², David H. Atkinson³, Jing Li⁸, Sarag Saikia⁴, Amy A. Simon⁵, Thomas R. Spilker⁶, Michael H. Wong⁷, Drew Hope², Archit Arora⁴, Steven Bowen², Angela Bowes², David Goggin², Steven Horan², Samantha Infeld², John P. Lecky², Timothy Marvel², Ryan McCabe², Anish Parikh², David Peterson², Stephanie Primeaux², Alexader Scammell², Kevin Somervill², Lawrence Taylor², Christopher Thames², Hernani Tosoc², Loc Tran² (1.Hampton University, 2.NASA Langley Research Center, 3.Jet Propulsion Laboratory, California Institute of Technology, 4.Purdue University, 5.NASA Goddard Space Flight Center, 6.Planetary Mission Architect, 7.University of California, Berkeley, 8.NASA Ames Resaerch Center)

[PPS01-P08] Long-term variation of the North–South asymmetry in the intensity of Saturn Kilometric Radiation (SKR) in 2004-2017

*Yuki Nakamura¹, Yasumasa Kasaba¹, Tomoki Kimura², Laurent Lamy³, Baptiste Cecconi³, Georg Fischer⁴, Chihiro Tao⁵, Akira Morioka⁶ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Nishina-Center for Accelerator Based Science, RIKEN, 3.LESIA, Observatoire de Paris, CNRS, PSL Research University LESIA, Observatoire de Paris, CNRS, PSL Research University, 4.Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, A-8042 Graz, Austria, 5.National Institute of Information and Communications Technology, 6.Planetary Plasma and Atmosphere Recearch Center,Guraduate School,Tohoku University)

[PPS01-P09] A simulation study on solar wind influence on long-term variation of Jovian Synchrotron Radiation

*Sooman Han¹, Go Murakami², Hajime Kita³, Fuminori Tsuchiya³, Chihiro Tao⁴, Daniel Santos-Costa⁵, Atsushi Yamazaki², Masato Nakamura² (1.Department of Earh and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Institue of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.Planetary Plasma and Atmospheric Research Center, Tohoku University, 4.National Institue of Information and Communications Technology, 5.Southwest Research Institute)

[PPS01-P10] Identification of Jupiter's hectometric radiation associated with reconnection in the magnetotail

*Hiroaki Misawa¹, Fuminori Tsuchiya¹, Takahiro Mizuguchi¹ (1.Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University)

[PPS01-P11] Study of the Jovian magnetosphere-ionosphere coupling using an ionospheric potential solver: Contributions of H+ and meteoric ions to ionospheric conductivity

Koichiro Terada¹, Chihiro Tao², *Naoki Terada¹, Yasumasa Kasaba¹, Hajime Kita¹, Aoi Nakamizo², Akimasa Yoshikawa³, Shinichi Ohtani⁴, Fuminori Tsuchiya¹, Masato Kagitani¹, Takeshi Sakanoi¹, Go Murakami⁵, Kazuo Yoshioka⁷, Tomoki Kimura⁶, Atsushi Yamazaki⁵, Ichiro Yoshikawa⁷ (1.Graduate School of Science, Tohoku University, 2.Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology, 3.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University / International Center for Space Weather Science and Education, Kyushu University, 4.The Johns Hopkins University Applied Physics Laboratory, 5.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 6.Nishina-Center for Accelerator Based Science, RIKEN, 7.Graduate School of Frontier Sciences, The University of Tokyo)

[PPS01-P12] Enhancement of the Jovian Magnetospheric Plasma Circulation Caused by the Change in Plasma Supply From the Satellite Io

*Fuminori Tsuchiya¹, Kazuo Yoshioka², Tomoki Kimura³, Ryoichi Koga¹, Go Murakami⁴, Atsushi Yamazaki⁴, Chihiro Tao⁵, Masato Kagitani¹, Fumiharu Suzuki², Hikida Reina², Ichiro Yoshikawa², Yasumasa Kasaba⁶, Hajime Kita⁶, Hiroaki Misawa¹, Takeshi Sakanoi¹ (1.Planetary Plasma and Atmospheric Research Center, Tohoku University, 2.The University of Tokyo, 3.Riken, 4.ISAS/JAXA, 5.NICT, 6.Graduate School of Science, Tohoku University)

[PPS01-P13] Atomic oxygen densities and source rate in Io's neutral cloud derived from the Hisaki observation

*Ryoichi Koga¹, Fuminori Tsuchiya¹, Masato Kagitani¹, Takeshi Sakanoi¹, Ichiro Yoshikawa², Kazuo Yoshioka², Go Murakami³, Atsushi Yamazaki³, Tomoki Kimura⁴, H. Todd Smith⁵ (1.PPARC, Tohoku University, 2.University of Tokyo, 3.JAXA/ISAS, 4.RIKEN, 5.Johns Hopkins University)

[PPS01-P14] Variation on Io plasma torus during 2016 through 2017 measured with Hisaki/EXCEED and gourd-based telescopes

*Masato Kagitani¹, Fuminori Tsuchiya¹, Kazuo Yoshioka², Go Murakami³, Tomoki Kimura¹ (1.Graduate School of Science, Tohoku University, 2.Tokyo University, 3.JAXA)

[PPS01-P15] Longitudinal variations of the sulfur ions in the Io plasma torus observed by the HISAKI/EXCEED

Arakawa Ryo¹, *Hiroaki Misawa¹, Fuminori Tsuchiya¹, Masato Kagitani¹, Ichiro Yoshikawa², Kazuo Yoshioka², Hikida Reina³, Fumiharu Suzuki², Tomoki Kimura⁴, Go Murakami⁵, Atsushi Yamazaki⁵ (1.Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 2.Graduate School of frontier Science, The University of Tokyo, 3.Graduate School of Science, The University of Tokyo, 4.Nishina-Center for Accelerator Based Science, RIKEN, 5.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)

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