Yukio YAMAMOTO

Comparison of optical spectra between asteroids Ryugu and Bennu: II. High-precision analysis for space weathering trends

K. Yumoto, E. Tatsumi, T. Kouyama, D. R. Golish, Y. Cho, T. Morota, S. Kameda, H. Sato, B. Rizk, D. N. DellaGiustina …

Icarus, 420, Sep 15, 2024

Comparison of optical spectra between asteroids Ryugu and Bennu: I. Cross calibration between Hayabusa2/ONC-T and OSIRIS-REx/MapCam

K. Yumoto, E. Tatsumi, T. Kouyama, D.R. Golish, Y. Cho, T. Morota, S. Kameda, H. Sato, B. Rizk, D.N. DellaGiustina …

Icarus, 417 116122-116122, Jul, 2024

Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution

Ryuji Okazaki, Bernard Marty, Henner Busemann, Ko Hashizume, Jamie D. Gilmour, Alex Meshik, Toru Yada, Fumio Kitajima, Michael W. Broadley, David Byrne …

Science (New York, N.Y.), 379(6634) eabo0431, Feb 24, 2023

Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu

Hiroshi Naraoka, Yoshinori Takano, Jason P. Dworkin, Yasuhiro Oba, Kenji Hamase, Aogu Furusho, Nanako O. Ogawa, Minako Hashiguchi, Kazuhiko Fukushima, Dan Aoki …

Science (New York, N.Y.), 379(6634) eabn9033, Feb 24, 2023

First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu

Ryuji Okazaki, Yayoi N. Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, Toru Yada, Keita Yamada, Shinsuke Kawagucci, Yohei Matsui, Ko Hashizume …

Science Advances, 8(46), Nov, 2022

NIRS3 spectral analysis of the artificial Omusubi-Kororin crater on Ryugu

A. Galiano, E. Palomba, F. Dirri, A. Longobardo, K. Kitazato, T. Iwata, M. Matsuoka, T. Hiroi, D. Takir, T. Nakamura …

Monthly Notices of the Royal Astronomical Society, 514(4) 6173-6182, Aug 1, 2022

Site selection for the Hayabusa2 artificial cratering and subsurface material sampling on Ryugu

Shota Kikuchi, Sei-ichiro Watanabe, Koji Wada, Takanao Saiki, Hikaru Yabuta, Seiji Sugita, Masanao Abe, Masahiko Arakawa, Yuichiro Cho, Masahiko Hayakawa …

Planetary and Space Science, 219 105519-105519, Jun, 2022 Peer-reviewed

Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth

S. Tachibana, H. Sawada, R. Okazaki, Y. Takano, K. Sakamoto, Y. N. Miura, C. Okamoto, H. Yano, S. Yamanouchi, P. Michel …

Science, 375(6584) 1011-1016, Mar 4, 2022

Photometric behavior of Ryugu's NIR spectral parameters

A. Longobardo, E. Palomba, A. Galiano, F. Dirri, A. Zinzi, M. D'Amore, D. Domingue, K. Kitazato, Y. Yokota, S. E. Schroeder …

Astronomy and Astrophysics, 666, 2022

Spectrally blue hydrated parent body of asteroid (162173) Ryugu

Eri Tatsumi, Naoya Sakatani, Lucie Riu, Moe Matsuoka, Rie Honda, Tomokatsu Morota, Shingo Kameda, Tomoki Nakamura, Michael Zolensky, Rosario Brunetto …

Nature Communications, 12(1), Dec, 2021

Geometric correction for thermographic images of asteroid 162173 Ryugu by TIR (thermal infrared imager) onboard Hayabusa2

Takehiko Arai, Tatsuaki Okada, Satoshi Tanaka, Tetsuya Fukuhara, Hirohide Demura, Toru Kouyama, Naoya Sakatani, Yuri Shimaki, Hiroki Senshu, Tomohiko Sekiguchi …

Earth, Planets and Space, 73(1), Dec, 2021

Social Big Data: Concepts and Theory.

Hiroshi Ishikawa 0004, Yukio Yamamoto

Transactions on Large-Scale Data- and Knowledge-Centered Systems, 47 51-79, 2021

Thermophysical Properties of C-Type Asteroid 162173 Ryugu Revealed by the Thermal Infrared Imager TIR on Hayabusa2

Tatsuaki OKADA, Tetsuya FUKUHARA, Satoshi TANAKA, Makoto TAGUCHI, Takehiko ARAI, Hiroki SENSHU, Naoya SAKATANI, Yuri SHIMAKI, Hirohide DEMURA, Yoshiko OGAWA …

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN, 19(5) 654-659, 2021

Attractive Area Detection of Telemetry corresponding to Command.

Yukio Yamamoto, Hiroshi Ishikawa 0004

MEDES '21: Proceedings of the 13th International Conference on Management of Digital EcoSystems(MEDES), 160-162, 2021

Motion reconstruction of the small carry-on impactor aboard Hayabusa2

Takanao Saiki, Yuya Mimasu, Yuto Takei, Manabu Yamada, Hirotaka Sawada, Kazunori Ogawa, Naoko Ogawa, Hiroshi Takeuchi, Akira Miura, Yuri Shimaki …

Astrodynamics, 4(4) 289-308, Dec, 2020

Hayabusa2’s station-keeping operation in the proximity of the asteroid Ryugu

Yuto Takei, Takanao Saiki, Yukio Yamamoto, Yuya Mimasu, Hiroshi Takeuchi, Hitoshi Ikeda, Naoko Ogawa, Fuyuto Terui, Go Ono, Kent Yoshikawa …

Astrodynamics, 4(4) 349-375, Dec, 2020

Characterization of the Ryugu surface by means of the variability of the near-infrared spectral slope in NIRS3 data

A. Galiano, E. Palomba, M. D'Amore, A. Zinzi, F. Dirri, A. Longobardo, K. Kitazato, T. Iwata, M. Matsuoka, T. Hiroi …

Icarus, 351 113959-113959, Nov, 2020

Hayabusa2 Landing Site Selection: Surface Topography of Ryugu and Touchdown Safety

Shota Kikuchi, Sei-ichiro Watanabe, Takanao Saiki, Hikaru Yabuta, Seiji Sugita, Tomokatsu Morota, Naru Hirata, Naoyuki Hirata, Tatsuhiro Michikami, Chikatoshi Honda …

SPACE SCIENCE REVIEWS, 216(7), Oct, 2020

Thermophysical properties of the surface of asteroid 162173 Ryugu: Infrared observations and thermal inertia mapping

Yuri Shimaki, Hiroki Senshu, Naoya Sakatani, Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Makoto Taguchi, Takehiko Arai, Hirohide Demura, Yoshiko Ogawa …

Icarus, 348, Sep 15, 2020

Geometric Correction for Thermal Imaging of Asteroid Ryugu Observed by TIR onboard Hayabusa2

Takehiko Arai, Tatsuaki Okada, Satoshi Tanaka, Tetsuya Fukuhara, Hirohide Demura, Toru Kouyama, Naoya Sakatani, Yuri Shimaki, Hiroki Senshu, Tomohiko Sekiguchi …

Aug 1, 2020

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