Fumi Yoshida
​吉田ニ美

2025

​

Refereed Journal​

• Hiroshi Kimura (キムラヒロシ), Takaya Okamoto, Takayuki Hirai, Fumi Yoshida, Peng K. Hong, Koji Wada, Tomoko Arai, Eiichiro Kokubo, Yuki Yoshida, Toshihiko Kadono, Sota Arakawa, Hiroki Senshu, Masanori Kobayashi, Ko Ishibashi, Manabu Yamada, Hiroshi Akitaya, Osamu Okudaira, and Takafumi Matsui, Mechanical Properties of Dust, Pebbles, and Planetesimals Based on Johnson–Kendall–Roberts, Griffith, and Weibull Theories. 2025 ApJ 994 100. https://doi.org/10.3847/1538-4357/ae0c18

• Hiroshi Kimura (キムラヒロシ), Takayuki Hirai, Takaya Okamoto, Akiko M. Nakamura, Eiichiro Kokubo, Yuki Yoshida, Fumi Yoshida, Peng K. Hong, Koji Wada, Hiroki Senshu, Tomoko Arai, Sota Arakawa, Toshihiko Kadono, Masanori Kobayashi, Ko Ishibashi, Hiroshi Akitaya, Manabu Yamada, Osamu Okudaira, and Takafumi Matsui, Tensile Strength of Dust, Pebbles, and Planetesimals: A Simple Mathematical Formula from Aggregates to Monoliths Based on an Extension of an Elastic Theory for Particle Assemblies to Molecular Networks. 2025 ApJ 993 211. https://doi.org/10.3847/1538-4357/ae0718

• Chan-Kao Chang (章展誥), Ying-Tung Chen (陳英同), Matthew J. Lehner, Shiang-Yu Wang (王祥宇), Mike Alexandersen, Young-Jun Choi (최영준), Wesley C. Fraser, A. Paula Granados Contreras, Takashi Ito (伊藤孝士), Youngmin JeongAhn (정안영민), Jianghui Ji (季江徽), J. J. Kavelaars, Myung-Jin Kim (김명진), Jian Li (黎健), Zhong-Yi Lin (林忠義), Patryk Sofia Lykawka, Hong-Kyu Moon (문홍규), Surhud More, Marco Muñoz-Gutiérrez, Keiji Ohtsuki (大槻圭史), Rosemary E. Pike, Tsuyoshi Terai, Seitaro Urakawa (浦川聖太郎), Fumi Yoshida (吉田二美), Hui Zhang, Haibin Zhao (赵海斌), Ji-Lin Zhou (周济林), and The FOSSIL Collaboration, FOSSIL. IV. The Significance-convergence Test—An Algorithm for Selecting Reliable Rotation Periods of Small Solar System Bodies. 2025 PASP 137 104509. https://doi.org/10.1088/1538-3873/ae0eee

• J. J. Kavelaars, Marc W. Buie, Wesley C. Fraser, Lowell Peltier, Susan D. Benecchi, Simon B. Porter, Anne J. Verbiscer, David W. Gerdes, Kevin J. Napier, Joseph Murtagh, Takashi Ito, Kelsi N. Singer, S. Alan Stern, Tsuyoshi Terai, Fumi Yoshida, Michele T. Bannister, Pedro H. Bernardinelli, Gary M. Bernstein, Colin Orion Chandler, Brett Gladman, Lynne Jones, Jean-Marc Petit, Megan E. Schwamb, Pontus C. Brandt, and Joel W. Parker, An Extremely Deep Rubin Survey to Explore the Extended Kuiper Belt and Identify Objects Observable by New Horizons. (2025) The Astrophysical Journal Supplement Series, Volume 280, Number 1, 8. https://doi.org/10.3847/1538-4365/adea42

• Ying-Tung Chen, Patryk Sofia Lykawka, Yukun Huang, JJ Kavelaars, Wesley C. Fraser, Michele T. Bannister, Shiang-Yu Wang, Chan-Kao Chang, Matthew J. Lehner, Fumi Yoshida, Brett Gladman, Mike Alexandersen, Edward Ashton, Young-Jun Choi, A. Paula Granados Contreras, Takashi Ito, Youngmin JeongAhn, Jianghui Ji, Myung-Jin Kim, Samantha M. Lawler, Jian Li, Zhong-Yi Lin, Hong-Kyu Moon, Surhud More, Marco Muñoz-Gutiérrez, Keiji Ohtsuki, Lowell Peltier, Rosemary E. Pike, Tsuyoshi Terai, Seitaro Urakawa, Hui Zhang, Haibin Zhao & Ji-Lin Zhou, Discovery and dynamics of a Sedna-like object with a perihelion of 66 au. Nat Astron (2025). https://doi.org/10.1038/s41550-025-02595-7

• Shigeru Takahashi,, Hikaru Kubota, Hideo Sagawa, Takashi Tsukagoshi, Fumi Yoshida, Junya Kawase,
  and Takahiro Iino, Development of AFCAL: An Asteroid Flux Density Calculator for ALMA Observations. O. Gervasi et al. (Eds.): ICCSA 2025 Workshops, LNCS 15890, pp. 3–19, 2026.
  https://doi.org/10.1007/978-3-031-97606-3_1

• Fumi Yoshida, Tsutomu Hayamizu, Hayato Watanabe, Hiroshi Akitaya, Kazuhisa Miyashita, Hirotomo Noda, Mitsuru Sôma, Chilong Lin, Ye Yuan, Wai-Chun Yue, Toshihiro Horaguchi and Sean Marshall, Formation of the International Occultation Timing Association/East Asia (IOTA/EA) and occultation observations of asteroid (3200) Phaethon. Phil. Trans. R. Soc. A.38320240190 (2025) http://doi.org/10.1098/rsta.2024.0190

• Senshu Hiroki, Noda Hirotomo, Yoshida Fumi, Ito Takashi, Hamm Maximilian and Marshall Sean, Yarkovsky and YORP effects simulation on 3200 Phaethon. Phil. Trans. R. Soc. A.38320240205 (2025) https://doi.org/10.1098/rsta.2024.0205

​

​Public Lecture

• ​第二回夏休み科学夜話

　　タイトル：冬に見える「ふたご座流星群はどこから来るの？ふたご座流星群の故郷へ行くJAXA探査機

　　日時：2025年7月26日（土）19:20～

　　場所：飯塚市二瀬交流センター 

• アステロイドデースペシャルトーク2025「地球衝突が指摘された⼩惑星、2024 YR4とアポフィスにフォーカス！」

　　タイトル：アポフィスの掩蔽観測

　　日時：2025年6⽉28⽇（⼟）午後1時30分〜

　　場所：相模原市⽴博物館 地階 ⼤会議室　zoom​

　　https://sagamiharacitymuseum.jp/blog/2025/05/11/asteroidday2025/

• 朝日カルチャーセンターの講義　

　　タイトル：すばる望遠鏡25年の挑戦～すばる望遠鏡で探る太陽系の辺境：氷の世界の住人たち

　　日時：2025年6月21日（土）13:00～14:45

　　場所：朝日カルチャーセンター横浜教室 zoom

• 「プラネタリウム100周年」×「すばる望遠鏡25周年」記念イベント

　　タイトル：天体観測で解き明かす太陽系のひみつ

　　日時：2025年3月2日(日) 14:00～15:00

　　場所：福岡市科学館　3階企画展示室

　　https://www.fukuokacity-kagakukan.jp/activity/2025/01/32-1.html

​

News Media

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• https://www.atpress.ne.jp/news/443021

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• https://www.topics.or.jp/ud/pressrelease/6875c7e6af6d3441e0000007

• https://newscast.jp/news/2541903

• https://www.alphagalileo.org/de-de/Item-Display-de-DE/ItemId/260956?returnurl=https://www.alphagalileo.org/de-de/Item-Display-de-DE/ItemId/260956

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• https://www.eurekalert.org/news-releases/1091206?language=japanese

• https://tokyo-beauty.jp/headline/%e7%b7%8f%e5%90%88%e7%a4%be%e4%bc%9a%e5%ad%a6%e9%83%a8%e5%87%86%e6%95%99%e6%8e%88%e3%82%bd%e3%83%95%e3%82%a3%e3%82%a2-%e3%83%aa%e3%82%ab%e3%83%95%e3%82%a3%e3%82%ab-%e3%83%91%e3%83%88%e3%83%aa%e3%83%83/

• https://news.3rd-in.co.jp/article/98504666-6130-11f0-8246-9ca3ba083d71#gsc.tab=0

• https://news.nifty.com/article/economy/business/12373-4303497/

• https://maldankon.cloud/ja_JP/page/tai-yang-xi-noxin-shiixing-hua-shi-toiuming-nojing-yi-3bf484

• https://www.forbes.com/sites/jamiecartereurope/2025/07/15/meet-ammonite---a-new-world-just-found-in-the-solar-system/

• https://thefinancialnews247.com/meet-ammonite-a-new-world-just-found-in-the-solar-system/

• https://www.archyde.com/ocean-worlds-new-life-potential-found-in-solar-system/

• https://tiisys.com/blog/2025/07/15/post-171558/

• https://alphaleaders.co.uk/meet-ammonite-a-new-world-just-found-in-the-solar-system/

• https://news.yahoo.co.jp/articles/9a3e6a351c0fda7d866bf99eb658404c2160e892

• http://www.biz-hacks.com/pressrelease/?id=330643

• https://japan.focustaiwan.tw/society/202507150007

• https://news.livedoor.com/article/detail/29173074/

• https://m.dailyhunt.me/news/uae/english/wion-epaper-wionnew/sorry+space+buffs,+but+planet+nine+might+be+an+illusion.+a+new+world+has+revealed+that...-newsid-n672740735

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• https://news.mynavi.jp/techplus/article/20250716-3381207/

• https://news.nicovideo.jp/watch/nw17973549

• https://www.msn.com/en-us/news/technology/subaru-telescope-discovers-fossil-in-outer-solar-system/ar-AA1II0uU

• https://www.iflscience.com/something-extraordinary-occurred-a-new-380-kilometer-world-has-been-found-in-our-solar-system-80027

• https://idw-online.de/de/news855423

• https://rawnews.com/ammonite-a-new-380-kilometer-world-has-been-found-inside-our-solar-system/

• http://www.360doc.com/content/25/0716/16/8176916_1157500521.shtml

• https://newz9.com/discovering-a-cosmic-fossil-what-astronomers-found-at-the-edge-of-our-solar-system-and-its-implications-for-planet-9/

• https://msnbctv.news/astronomers-discover-a-cosmic-fossil-at-the-edge-of-our-solar-system-is-this-bad-news-for-planet-9/

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• http://www.allusanewshub.com/2025/07/16/astronomers-discover-a-cosmic-fossil-at-the-edge-of-our-solar-system-is-this-bad-news-for-planet-9/

• https://www.world-today-news.com/a-new-world-has-been-discovered-in-our-solar-system/

• https://www.msn.com/en-us/news/technology/astronomers-discover-a-cosmic-fossil-at-the-edge-of-our-solar-system-is-this-bad-news-for-planet-9/ar-AA1IJJsO

• https://govima.com/news/nasa-discovers-new-solar-system-object-named-ammonite-in-groundbreaking-find/

• https://www.msn.com/en-sg/news/other/mysterious-new-world-has-just-been-discovered-in-our-solar-system/ar-AA1IJKFF

• https://expressdigest.com/mysterious-new-world-has-just-been-discovered-in-our-solar-system/

• https://www.msn.com/en-gb/news/techandscience/astronomers-discover-a-cosmic-fossil-at-the-edge-of-our-solar-system-is-this-bad-news-for-planet-9/ar-AA1IJEP0

• https://www.foxweather.com/earth-space/new-world-beyond-neptune-planet-nine-theory

• https://ufosale.home.blog/2025/07/17/astronomers-discover-potential-dwarf-planet-lurking-way-beyond-pluto/

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• https://ustimesmirror.com/new-tiny-world-beyond-neptune-discovered-boosting-planet-nine-theory/

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• https://newsflash.one/2025/07/17/mysterious-new-world-has-just-been-discovered-in-our-solar-system/

• https://www.news9live.com/science/subaru-telescope-spots-relic-world-from-infancy-of-solar-system-2878232

• http://themobiworld.com/Index/flowNewsDetail/id/11300664.html

• https://t3n.de/news/ammonite-forscher-entdecken-neuen-himmelskoerper-im-sonnensystem-was-er-ueber-planet-9-verraet-1697498/

• https://www.newsylist.com/ancient-relic-discovery-solving-the-planet-nine-mystery/

• https://www.notebookcheck.net/Astronomers-reveal-the-discovery-of-a-new-world-in-our-solar-system.1060389.0.html

• https://kopalniawiedzy.pl/sednoid-Planeta-X-Dziewiata-Planeta,37990

• https://www.notebookcheck.com/Astronomen-enthuellen-Entdeckung-einer-neuen-Welt-in-unserem-Sonnensystem.1060457.0.html

• https://www.fox4news.com/news/new-tiny-world-beyond-neptune-discovered-giving-boost-planet-nine-theory

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• https://www.fox5ny.com/news/new-tiny-world-beyond-neptune-discovered-giving-boost-planet-nine-theory

• https://www.fox35orlando.com/news/new-tiny-world-beyond-neptune-discovered-giving-boost-planet-nine-theory

• https://www.livenowfox.com/news/new-tiny-world-beyond-neptune-discovered-giving-boost-planet-nine-theory

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• https://www.ibtimes.sg/ammonite-discovered-beyond-pluto-this-real-ninth-planet-80806

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• https://www.newsbreak.com/abc-news-510079/4117299541401-fossil-object-discovered-on-outskirts-of-solar-system

• https://abcnews.go.com/Technology/fossil-object-dubbed-ammonite-discovered-outskirts-solar-system/story?id=123865134

• https://worldofsoftware.org/fossil-object-dubbed-ammonite-discovered-on-the-outskirts-of-the-solar-system/

• https://fontech.startitup.sk/zahada-planety-devat-novy-svet/

• https://wired.jp/article/fourth-sednoid-discovery-planet-nine/

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• https://www.newsbreak.com/livescience-525075/4131905139203-astronomers-discover-new-dwarf-planet-ammonite-and-it-could-upend-the-existence-of-planet-nine

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• https://optronics-media.com/news/20250728/101740/

• https://nexusnewsfeed.com/article/science-futures/a-strange-fossil-at-the-edge-of-the-solar-system-just-shook-up-planet-nine-theories/

• https://www.kompas.com/sains/read/2025/07/29/070000423/apakah-ammonite-objek-misterius-di-ujung-tata-surya-kita-

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• https://money.smt.docomo.ne.jp/news-detail/1971076?prd_check=1

• https://www.jiji.com/jc/article?k=2025073100769&g=soc

• https://news.yahoo.co.jp/articles/2708e22597db706fa248bdfe1f48bd6d1fbd5c2c

• https://news.mixi.jp/view_news.pl?id=8415079&media_id=4

• https://news.nifty.com/article/domestic/society/12145-4357209/

• http://www.360doc.com/content/25/0801/15/8176916_1158579520.shtml

• https://www.msn.com/en-ie/news/techandscience/astronomers-uncover-mysterious-ancient-object-in-the-solar-system/ar-AA1JKjev

• https://www.msn.com/en-us/news/technology/astronomers-uncover-mysterious-ancient-object-in-the-solar-system/ar-AA1JKjCp

• https://news.qq.com/rain/a/20250811A05VIF00

• https://www.newscham.net/articles/113834

• https://www.ithome.com/0/887/703.htm

• https://www.sohu.com/a/941498887_114760

• https://www.link-nemo.com/u/10000/post/1756397

• https://www.sohu.com/a/941506282_122014422

• https://www.163.com/dy/article/KB69UK9O0511B8LM.html

• https://www.itbear.com.cn/html/2025-10/978320.html

• https://www.cnbeta.com.tw/articles/science/1529124.htm

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