JpGU-AGU Joint Meeting 2020

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P (Space and Planetary Sciences ) » P-PS Planetary Sciences

[P-PS07] Solar System Small Bodies: Explorations of Ryugu, Bennu, and the Solar System at Large

convener:Taishi Nakamoto(Tokyo Institute of Technology), Tatsuaki Okada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency), Dante S Lauretta(University of Arizona), Masateru Ishiguro(Department of Physics and Astronomy, Seoul National University)

[PPS07-P23] Observational campaigns of (3200) Phaethon in 2017-2019

*Fumi Yoshida1, Tomoko Arai1, Ko Ishibashi1, Peng Hong1, Ryo Ishimaru1, Takaya Okamoto2, Jun-ichi Watanabe3, DESTINY+ collaborators (1.Planetary Exploration Research Center, Chiba Institute of Technology, 2.Institute of Space and Astronautical Science, 3.National Astronomical Observatory of Japan)

Keywords:Asteroids, (3200) Phaethon, (155140) 2005UD

The asteroid (3200) Phaethon is the flyby target of the DESTINY+ mission. Generally flyby missions requires a detail investigation of the flyby targets for the mission planning and instrument design. Thus, ground-based observations for the flyby targets have important roles for leading the mission success.

We have investigated (3200) Phaethon and related objects by ground based observations from 2017 to 2019. We organized observation campaigns every year : for Phaethon in 2017, for (155140) 2005UD, which is a possible fragment from Phaethon, in 2018, and again for Phaethon to determine the size by occultation observations in 2019.
Our presentation will show the observational results of Phaethon and 2005UD, which were updated every year, and also the observation plan next several years.