WEKO3
アイテム
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Orbit determination of Hayabusa and gravity estimation of Itokawa during close proximity phase
https://jaxa.repo.nii.ac.jp/records/7440
https://jaxa.repo.nii.ac.jp/records/7440d0804b73-a91b-4b5e-bfa7-76cb645dafe2
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 | Orbit determination of Hayabusa and gravity estimation of Itokawa during close proximity phase | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 軌道決定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 姿勢制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 小惑星ミッション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 軌道計算 | |||||
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 | イトカワ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GCP航法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 重力場 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 軌道 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衛星軌道 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | リアクションホイール | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 重力効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 多面体 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | orbit determination | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | attitude control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | asteroid mission | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | orbit calculation | |||||
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 | Itokawa | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | GCP navigation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gravitational field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | trajectory | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | satellite orbit | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | reaction wheel | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gravitational effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | polyhedron | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | イトカワ接近時における探査機はやぶさの軌道決定とイトカワの重力推定について | |||||
著者 |
池田, 人
× 池田, 人× 小湊, 隆× 松岡, 正敏× 大西, 隆史× 吉川, 真× Ikeda, Hitoshi× Kominato, Takashi× Matsuoka, Masatoshi× Onishi, Takafumi× Yoshikawa, Makoto |
|||||
著者所属 | ||||||
九州大学 | ||||||
著者所属 | ||||||
NEC航空宇宙システム | ||||||
著者所属 | ||||||
NEC航空宇宙システム | ||||||
著者所属 | ||||||
富士通 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属(英) | ||||||
en | ||||||
Kyushu University | ||||||
著者所属(英) | ||||||
en | ||||||
NEC Aerospace Systems Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
NEC Aerospace Systems Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
Fujitsu Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
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17回アストロダイナミクスシンポジウム講演後刷り集 2007 en : Proceedings of 17th Workshop on JAXA Astrodynamics and Flight Mechanics p. 12-17, 発行日 2008-03 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 探査機「はやぶさ(MUSES-C: Asteroid Sample-return Spacecraft)」は、2003年5月9日に内之浦宇宙空間観測所からM-Vロケットによって打上げられ、電気推進と地球スウィングバイによる軌道変更を経て、2005年9月12日に小惑星イトカワに到着した。搭載カメラ、近赤外分光器、蛍光X線分光器、レーザ高度計などの科学機器を使用した各種科学観測により、イトカワに関するさまざまな物理パラメータが解析され、小惑星の起源、形成過程を解明するための新しい知見をもたらした。イトカワ滞在時、リアクションホイールに不具合が生じたため、化学スラスタを使用して姿勢制御を行なっていたが、スラスタ推力の微小なアンバランスが積算され、軌道運動に影響を与える結果となった。本解析では、この姿勢制御による影響を評価するために簡単なスラスタ推力差モデルを導入。また、イトカワの形状を考慮した重力場モデルとして、球面調和関数を用いた重力場モデルやイトカワの形状モデルを使用したポリヘドロン重力場モデルを組込み、光学航法データ、ドップラーデータを用いて小惑星接近時の探査機の軌道、およびイトカワの重力場について解析を行った。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In September 2005, Hayabusa (MUSES-C: Asteroid Sample-return Spacecraft) spacecraft successfully had a rendezvous with asteroid 25143 Itokawa. After the arrival, Hayabusa made detailed observations of the asteroid during its rendezvous period (about three months). As the results of various kinds of scientific analysis, a variety of physical parameters of Itokawa (e.g. size, volume, mass, and density) were derived. As to the orbit determination of Hayabusa spacecraft, during the cruise phase, the radiometric (two-way X-band range and Doppler) data were used for analysis. On the other hand, during the approach phase or rendezvous phase, we could obtain the optical data by means of star tracker or optical navigation camera, thus both the radiometric and the optical data were used for orbit determination. The present paper will report on the results of the orbit determination of Hayabusa during the close proximity phase. I will also mention about the mass estimation of Itokawa in this period. The data used in this analysis are two-way X-band Doppler data and the position data, which were calculated from optical navigation camera's data. As well as the large orbital maneuvers and the gravitational acceleration of Itokawa, the effect of solar radiation pressure, and the effect of attitude control are also taken into account for the calculation. As to the gravity model of Itokawa, a spherical-harmonics gravity model or a polyhedron gravity model are used depending on the situation. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063718003 |