Research publications

FY2024

Tomohiko Sekiguchi, Jooyeon Geem, Masateru Ishiguro, Hiroyuki Naito, Bach P. Yoonsoo, Seiko Takagi, Tatsuharu Ono, Hirohide Demura, Polarimetric observations of Didymos-Dimorphos’ surfaces and surface materials before and after the DART impact, JpGU2024, May 2024.

Ramon Vilardell Belles, Hirohide Demura, Ryuji Konno, Toko Mori, Kengo Kakazu, Takehiko Arai, New Version of HEAT: Calibration and Visualization Tool for Thermal Imagers on Hayabusa2 and Hera, 2024 IEEE Aerospace Conference, ISSN: 1095-323X, https://doi.org/10.1109/AERO58975.2024.10521201, May 2024.

FY2023

Tatsuaki Okada & Hera TIRI team, Contribution through extrathermal observations on Planetary defense mission Hera, Planetary Defense Symposium 2023, #S2-02, February 2024. (In Japanese.)

S. Furukawa, T. Okada, Z.-L. Li, Y. Shimaki, N. Sakatani, H. Senshu, T. Sekiguchi, H. Demura, T. Arai, T. Kouyama, M. Kanamaru, T. Ishizaki, S. Tanaka, A. Yamaguchi, N. Imae, Thermal infrared spectroscopic features of meteorites, rocks, and minerals for the application to future planetary missions, Polar Science Symposium 2023, OA-O-23, November 2023.

Tatsuaki Okada, Satoshi Tanaka, Naoya Sakatani, Yuri Shimaki, Takuya Ishizaki, Hiroki Senshu, Takehiko Arai, Hirohide Demura, Tomohiko Sekiguchi, Toru Kouyama, Masanori Kanamaru, and Hera-JP team, Verification of binary asteroid exploration and Planetary Defense technology by Hera, 67th Space Science & Technology Conference, 3I03, October 2023. (In Japanese.)

Tomohiko Sekiguchi, Jooyeon Geem, Masateru Ishiguro, Hiroyuki Naito, Yoonsoo P. Bach, Seiko Takagi, Tatsuharu Ono, Hirohide Demura, Polarimetric observations of the binary asteroid system Didymos-Dimorphos before and after the DART spacecraft impact, The Japanese Society for Planetary Science Fall Meeting 2023, October 2023. (In Japanese.)

Hiroki Senshu, Maximilian Hamm, Yuri Shimaki, Naoya Sakatani, Takehiko Arai, Tomohiko Sekiguchi, Masanori Kanamaru, Satoshi Tanaka, Tatsuaki Okada, Asteroid thermal model considering seasonal changes, The Japanese Society for Planetary Science Fall Meeting 2023, October 2023. (In Japanese.)

Naoya Sakatani, Tatsuaki Okada, Yuri Shimaki, Hiroki Senshu, Tomohiko Sekiguchi, Takehiko Arai, Takuya Ishizaki, Masanori Kanamaru, Toru Kouyama, Hirohide Demura, Ryuji Konno, Soichiro Furukawa, Satoshi Tanaka, Development status of TIRI thermal infrared imager onboard Hera, The Japanese Society for Planetary Science Fall Meeting 2023, October 2023. (In Japanese.)

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, R. Konno, S.Furukawa, and Hera TIRI Team, Thermal Infrared Multiband Imager TIRI on ESA Hera Mission, ACM (Asteroid, Comets, and Meteors) 2023, #2301 (Poster), June 2023.

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, H. Saito, R. Konno, Z.-L. Li, S. Furukawa, and Hera TIRI Team, Thermal infrared multiband imager TIRI for S-type potentially hazardous asteroid Didymos in Hera mission, JpGU2023, PPS03-14, May 2023.

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T.Ishizaki, M. Yoshikawa, H. Takeuchi, Y. Yamamoto, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, and Hera TIRI team, Observation plan for near-Earth asteroids using the thermal infrared imager TIRI on board Hera, JpGU2023, MZZ45-P04, May 2023. (In Japanese.)

N. Sakatani, T. Okada, H. Senshu, T. Arai, H. Demura, Y. Shimaki, T. Sekiguchi, T. Ishizaki, M. Kanamaru, T. Kouyama, S. Tanaka, Ground-based calibration and performace test of thermal infrared multiband imager TIRI onboard Hera mission, Japan Geoscience Union Meeting, May 2023.

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, and Hayabusa2-TIR & Hera-TIRI Team, Thermal Imaging of Asteroids in Hayabsua2, Hera, and Future Missions, Fourth Workshop on Thermal Models for Planetary Science (TherMoPS IV), S31-01, April 2023.

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, and Hera TIRI Team, Thermal infrared multiband imager TIRI onboard Hera to investigate S-type binary asteroid Didymos and Dimorphos, 8th AIAA Planetary Defense Conference, #24, April 2023.

H. Senshu, M. Hamm, S. Tanaka, N. Sakatani, M. Kanamaru, Y. Shimaki, T. Arai, and T. Okada, THE EFFECT OF ORBITAL ROTAION ON THE SURFACE TEMPERATURE DISTRIBUTION OF AN ASTEROD, TherMoPS IV, April 2023.

FY2022

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, H. Saito, R. Konno, Z.-L. Li, S. Furukawa, J. Blommaert, O. Karatekin, and the Hera TIRI Team, Thermal infrared multiband imager TIRI for ESA Hera mission to Didymos binary asteroid, Lunar Planetary Science Conference, 54th, #1604, March 2023.

M. Kanamaru, G. Tommei, T. Okada, N. Sakatani, Y. Shimaki, S. Tanaka, T. Ishizaki, H. Senshu, T. Arai, T. Sekiguchi, N. Hirata, H. Demura, THERMOPHYSICAL MODEL DEVELOPMENT TO SIMULATE NON-GRAVITATIONAL ACCELERATION ON BINARY ASTEROID, Lunar and Planetary Science Conference, March 2023.

Tatsuaki Okada Hera TIRI team, Proximity operations of a near-Earth asteroid using the thermal infrared imager on Hera mission, Planetary Defense Symposium 2022, #S2-02, February 2023. (In Japanese.)

Masanori Kanamaru, Tatsuaki Okada, Giacomo Tommei and Hera TIRI Team, Thermophysical model development and non-gravitational effects estimation of asteroids, Planetary Defense Symposium 2022, February 2023. (In Japanese.)

Tatsuaki Okada, Satoshi Tanaka, Yuri Shimaki, Naoya Sakatani, Takehiko Arai, Hiroki Senshu, Hirohide Demura, Tomohiko Sekiguchi, Masanori Kanamaru, Takuya Ishizaki, Toru Kouyama, Takehiko Wada, Hiroshi Takeuchi, Yukio Yamamoto, Masahiko Arakawa, Akiko Nakamura, Seiji Sugita, Hideaki Miyamoto, Makoto Yoshikawa, Shinsuke Abe, Masanao Abe, Toshinori Ikenaga, Seitaro Urakawa, Shota Kikuchi, Kohei Kitazato, Goro Komatsu, Sho Sasaki, Eri Tatsumi, Yuichi Tsuda, Takaaki Noguchi, Yuya Mimasu, Hikaru Yabuta, Seiichiro Watanabe, Hiroto Saito, Ryuji Konno, Zhenglin LI, Soichiro Furukawa & Hera-JP/TIRI team, Development status of thermal infrared imager TIRI onboard Hera, 23rd Space Science Symposium, P-167, January 2023. (In Japanese.)

Naoya Sakatani, Tatsuaki Okada, Hiroki Senshu, Takehiko Arai, Hirohide Demura, Yuri Shimaki, Tomohiko Sekiguchi, Takuya Ishizaki, Masanori Kanamaru, Toru Kouyama, Satoshi Tanaka, Preliminary ground calibration test and test plan for the infrared spectroscopic camera onboard Hera, 23rd Space Science Symposium, January 2023. (In Japanese.)

Masanori Kanamaru, Giacomo Tommei, Tatsuaki Okada, Naoya Sakatani, Yuri Shimaki, Satoshi Tanaka, Takuya Ishizaki, Hiroki Senshu, Takehiko Arai, Tomohiko Sekiguchi and Hirohide Demura, Development of Thermophysical Model to Simulate Non-Gravitational Acceleration on Binary Asteroid Didymos and Dimorphos, AGU Fall Meeting, December 2022.

Tatsuaki Okada, Satoshi Tanaka, Naoya Sakatani, Yuri Shimaki, Takehiko Arai, Hiroki Senshu, Hirohide Demura, Tomohiko Sekiguchi, Toru Kouyama, Masanori Kanamaru, Takuya Ishizaki, Ryuji Konno, Hiroyo Saito, Zhenglin LI, Soichiro Furukawa, and Hera TIRI team, Development of the thermal infrared imager on board the binary asteroid exploration mission Hera: Current status of EM development tests, The Japanese Society for Planetary Science Fall Meeting 2022, PA-10, October 2022. (In Japanese.)

Tatsuaki Okada, Satoshi Tanaka, Naoya Sakatani, Yuri Shimaki, Takuya Ishizaki, Makoto Yoshikawa, Hiroshi Takeuchi, Yukio Yamamoto, Hiroki Senshu, Takehiko Arakawa, Hirohide Demura, Tomohiko Sekiguchi, Toru Kouyama, Masanori Kanamaru, and Hera-JP team, Exploration of binary asteroid by Planetary Defense Mission Hera, 66th Space Science & Technology Conference, 2E03, October 2022. (In Japanese.)

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, and Hera TIRI Team, Calibration of the Thermal Infrared Imager TIRI onboard Hera, EPSC (Europlanet Science Congress) 2022, EPSC2022-1191, September 2022.

Naoya Sakatani, Tatsuaki Okada, Satoshi Tanaka, Hiroki Senshu, Takehiko Arai, Hirohide Demura, Yuri Shimaki, Tomohiko Sekiguchi, Takuya Ishizaki, Masanori Kanamaru, Toru Kouyama, Ground calibration test of TIRI, infrared spectroscopic camera onboard Hera, The Japanese Society for Planetary Science Fall Meeting 2022, September 2022. (In Japanese.)

Masanori Kanamaru, Giacomo Tommei, Tatsuaki Okada, Naoya Sakatani, Yuri Shimaki, Satoshi Tanaka, Takuya Ishizaki, Hiroki Senshu, Takehiko Arai, Tomohiko Sekiguchi, Hirohide Demura, Development of a thermophysical calculation model for The Binary Asteroid Exploration Program Hera, The Japanese Society for Planetary Science Fall Meeting 2022, September 2022. (In Japanese.)

Patrick Michel, Michael Küppers, Adriano Campo Bagatin, Benoit Carry, Sébastien Charnoz, Julia de Leon, Alan Fitzsimmons, Paulo Gordo, Simon F. Green, Alain Hérique, Martin Juzi, Özgür Karatekin, Tomas Kohout, Monica Lazzarin, Naomi Murdoch, Tatsuaki Okada, Ernesto Palomba, Petr Pravec, Colin Snodgrass, Paolo Tortora, Kleomenis Tsiganis, Stephan Ulamec, Jean-Baptiste Vincent, Kai Wünnemann, Yun Zhang, Sabina D. Raducan, Elisabetta Dotto, Nancy Chabot, Andy F. Cheng, Andy Rivkin, Olivier Barnouin, Carolyn Ernst, Angela Stickle, Derek C. Richardson, Cristina Thomas, Masahiko Arakawa, Hirdy Miyamoto, Akiko Nakamura, Seiji Sugita, Makoto Yoshikawa, Paul Abell, Erik Asphaug, Ronald-Louis Ballouz, William F. Bottke, Jr., Dante S. Lauretta, Kevin J. Walsh, Paolo Martino, and Ian Carnelli, The ESA Hera Mission: Detailed Characterization of the DART Impact Outcome and of the Binary Asteroid (65803) Didymos, The Planetary Science Journal, 3:160 (21pp), https://doi,org/10,3847/PSJ/ac6f52 , July 2022.

Giacomo Tommei & Masanori Kanamaru, Hera WG4 Data Analysis and Exploitation: Non-gravitational acceleration, Hera International Workshop, June 2022.

Makoto Yoshikawa, Masanao Abe, Toshinori Ikenaga, Akihiro Iwaki, Tatsuaki Okada, Kouichi Kikuchi, Hirohisa Kurosaki, Shinsuke Kuroda, Takanao Saiki, Yuri Shimaki, Yuichi Tsuda, Kazutaka Nishiyama, Yuya Mimasu, Toshifumi Yanagisawa, Planetary defense activity at JAXA, JpGU2022, PPS03-21, May 2022.

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Kouyama, M. Kanamaru, T. Ishizaki, and Hera TIRI Team, Thermal infrared and multiband imaging experiment for S-type potentially hazardous asteroid binary Didymos, JpGU2022, PPS03-22, May 2022.

N. Sakatani, T. Okada, S. Tanaka, H. Senshu, T. Arai, H. Demura, Y. Shimaki, T. Sekiguchi, T. Ishizaki, M. Kanamaru, T. Kouyama, Radiometric calibration plan for thermal infrared imager TIRI onboard Hera mission, Japan Geoscience Union Meeting, May 2022.

Masanori Kanamaru, Tatsuaki Okada, Giacomo Tommei, Hiroki Senshu, Yuri Shimaki, Naoya Sakatani, Satoshi Tanaka, Takehiko Arai, Tomohiko Sekiguchi, Hirohide Demura, Takuya Ishizaki, Ayumu Ohsugi, Toru Kouyama, Investigations of Dynamics of Binary Asteroid System and Non-Gravitational Effects with Hera Mission, Japan Geoscience Union Meeting, May 2022.

FY2021

T. Okada, S. Tanaka, N. Sakatani, Y. Shimaki, T. Arai, H. Senshu, H. Demura, T. Sekiguchi, T. Ishizaki, T. Kouyama, J. Blommaert, Ozgur Karatekin, and the Hera TIRI Team, Development of thermal infrared multiband imager TIRI for Hera mission, Lunar Planetary Science Conference, 53th, #1319, March 2022.

Kanamaru, M., Okada, T., Orbital and rotational dynamics and non-gravitational effects of asteroid, Planetary Defense Symposium 2021, S3-4, February 2022. (In Japanese.)

Tatsuaki Okada, Hera-JP Team, BInary Asteroid Exploration Program Hera, Planetary Defense Symposium 2021, S3-3, February 2022. (In Japanese.)

Tatsuaki Okada, Satoshi Tanaka, Yuri Shimaki, Naoya Sakatani, Takehiko Arai, Hiroki Senshu, Hirohide Demura, Tomohiko Sekiguchi, Masanori Kanamaru, Takuya Ishizaki, Toru Kamiyama, Takehiko Wada, Masahiko Arakawa, Akiko Nakamura, Seiji Sugita, Hideaki Miyamoto, Makoto Yoshikawa, Shinsuke Abe, Masanao Abe, Toshinori Ikenaga, Shotaro Urakawa, Shota Kikuchi, Kohei Kitazato, Goro Komatsu, Sho Sasaki, Eri Tatsumi, Yuichi Tsuda, Takaaki Noguchi, Yuya Misumasu, Hikaru Yabuta, Seiichiro Watanabe, & Hera JP/TIRI Team, Binary Asteroid Didymos Exploration Program and Planetary Defense Initiatives by Hera, 22nd Space Science Symposium, S5-002, January 2022. (In Japanese.)

Okada T., Tanaka S., Sakatani N., Shimaki Y., Arai T., Senshu H., Demura H., Kouyama T., and Sekiguchi T., Thermophysical Properties of S-type Binary Didymos by Thermal Imaging in Hera Mission, JpGU Meeting 2021: Virtual, PPS04-P21. June 2021

Tatsuaki Okada, Satoshi Tanaka, Naoya Sakatani, Yuri Shimaki, Takehiko Arai, Hiroki Senshu, Hirohide Demura, Tomohiko Sekiguchi, Toru Kouyama, Tetsuya Fukuhara, and Hera TIRI Team, Thermal Infrared and Multiband Imaging to Investigate S-type Binary Asteroid Didymos and Dimorphos in Hera Mission, 7th IAA Planetary Defence Conference 2021, #185 (e-lightening talk), April 2021.

Okada T., Tanaka S., Sakatani N., Shimaki Y., Arai T., Senshu H., Demura H., Sekiguchi T., Kanamaru M., Kouyama T., Blommaert J., Karatekin Ö., and the Hera TIRI Team, Thermal infrared imaging experiment of S-type binary asteroids in the Hera mission, European Planetary Science Congress 2021, #EPSC2021-317, April 2021.

FY2020

Okada T., Fukuhara T., Tanaka S., Sakatani N., Shimaki Y., Arai T., Senshu H., Demura H., Kouyama T., Sekiguchi T., and Hera TIRI Team, Thermal Infrared Imager Onboard Hera to Observe S-Type Binary Asteroid Didymos, 52nd Lunar and Planetary Science Conference, #1449, March 2021.

Tatsuaki Okada, Tetsuya Fukuhara, Makoto Yoshikawa, Yuri Shimaki, Naoya Sakatani, Hiroki Senshu, Hirohide Demura, Toru Kouyama, Tomohiko Sekiguchi, Satoshi Tanaka, THERMAL INFRARED IMAGING OF BINARY ASTEROID DIDYMOS, 43rd COSPAR Scientific Assembly (COSPAR2021), B1,2-0004-21, February 2021.

Tatsuaki Okada, Satoshi Tanaka, Tetsuya Fukuhara, Naoya Sakatani, Yuri Shimaki, Hiroki Senshu, Takehiko Arai, Hirohide Demura, Toru Kouyama, Tomohiko Sekiguchi, Hera TIRI Team, Science and Development Status of the TIRI Thermal Infrared Imager onboard Hera, 21st Space Science Symposium, Pb,03, January 2021. (In Japanese.)

Tatsuaki Okada, Tetsuya Fukuhara, Makoto Yoshikawa, Yuri Shimaki, Naoya Sakatani, Hiroki Senshu, Hirohide Demura, Toru Kouyama, Tomohiko Sekiguchi, Satoshi Tanaka, THERMAL IMAGER TO REVEAL SURFACE PHYSICAL STATE OF ASTEROIDS, Apophis T–9 Years 2020 Conference, #2031, November 2020.

Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Hiroki Senshu, Naoya Sakatani, Yuri Shimaki, Takehiko Arai, Toru Kouyama, Hirohide Demura, Tomohiko Sekiguchi, Development of the TIRI thermal infrared imager onboard Hera, The Japanese Society for Planetary Science Fall Meeting (Web) 2020, September 2020. (In Japanese.)

Michel P., Okada T., Kueppers M., Carnelli I., Martino P., Bagatin C. A., Carry B., Charnoz S., Leon J., Fitzsimmons A., Green S., Guettler C., Herique A., Jutzi M., Karatekin O., Murdoch N., Pravec P., Sierks H., Snodgrass C., Tortora P., Tsiganis K., Ulamec S., Vincent J. –B., Wuennemann K., Chen A., Rivkin A., Chabot N., Barnouin S. O., Ernst C., Richardson C. D., Stickle A., Arakawa M., Nakamura A., Miyamoto H., Sugita S., and Yoshikawa M., The ESA Hera mission: rendezvous with a binary asteroid and planetary defense, JpGU-AGU Joint Meeting 2020: Virtual, PPS07-12. July 2020.

Okada T., Fukuhara T., Tanaka S., Arai T., Sakatani N., Shimaki Y., Senshu H., Demura H., Kouyama T., Sekiguchi T., Hasegawa S., and Yoshikawa M., Thermal infrared multi-band imager for the Hera mission, JpGU-AGU Joint Meeting 2020: Virtual, PPS07-P30. July 2020.

FY2019

Okada T., Fukuhara T., Tanaka S., Arai T., Sakatani N., Shimaki Y., Senshu H., Demura H., Kouyama T., Sekiguchi T., Hasegawa S., and Yoshikawa M., Thermal Infrared Multi-Band Imaging of Binary Asteroid Didymos in Hera Mission, 51th Lunar and Planetary Science Conference, #1355, March 2020.

Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Makoto Taguchi, Hiroki Senshu, Takehiko Arai, Naoya Sakatani, Yuri Shimaki, Toru Kouyama, Hirohide Demura, Tomohiko Sekiguchi, Observation plan by the thermal infrared imager TIRI onboard Hera space craft, The 20th Space Science Symposium, January 2020. (In Japanese.)

Fukuhara, T., Okada, T., Potential thermal infrared camera for Hera mission, EPSC-DPS Joint Meeting 2019, EPSC-DPS 2019-402. September 2019.