WEKO3
アイテム
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Direct detection of YORP effect on asteroid Itokawa
https://jaxa.repo.nii.ac.jp/records/20440
https://jaxa.repo.nii.ac.jp/records/2044046931919-84c0-437b-93bd-1566ad3dfd17
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Direct detection of YORP effect on asteroid Itokawa | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 宇宙探査 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | イトカワ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 小惑星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 天文測光 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 光度曲線 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | スピン | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 太陽光 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 回転 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | はやぶさ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | MUSES-C | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 小惑星探査機 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 軌道擾乱 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | space exploration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Itokawa | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | asteroid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | astronomical photometry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | light curve | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | spin | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sunlight | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rotation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hayabusa | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MUSES-C | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Asteroid Sample-return Spacecraft | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | orbit perturbation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
北里, 宏平
× 北里, 宏平× 安部, 正真× 石黒, 正晃× Kitazato, Kohei× Abe, Masanao× Ishiguro, Masateru |
|||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属 | ||||||
Seoul National University School of Physics and Astronomy | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical Science | ||||||
著者所属(英) | ||||||
en | ||||||
Seoul National University School of Physics and Astronomy | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第40回月・惑星シンポジウム en : Proceedings of the 40th ISAS Lunar and Planetary Symposium p. 82-85, 発行日 2007-07-25 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The Hayabusa (MUSES-C: Asteroid Sample-return Spacecraft) mission revealed fundamental physical properties of the small near-Earth asteroid 25143 Itokawa, such as shape and mass, during its rendezvous with the asteroid in 2005. Resulting from this the YORP (Yarkovsky-O'Keefe-Radziervskii-Paddack)-induced change in asteroid's spin state has been predicted theoretically. The purpose of this study is to investigate the YORP effect for Itokawa directly from an observational perspective. A long-term campaign of ground-based photometric observations of Itokawa were performed from March 2001 to December 2006. The observed asteroid lightcurves were compared with numerical modeling using the detailed shape model and global surface photometric properties derived from the Hayabusa mission. As a non-linear time evolution of rotational phase lag is shown, we found that Itokawa has been decreasing its spin rate by omega dot = -1.2 (+/- 0.2) x 10(exp -17) rad s(exp -2). The detected deceleration rate is almost consistent with, but slightly smaller than, the theoretically predicted value due to YORP effect. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063723020 |