{"created":"2023-06-20T14:44:00.831038+00:00","id":11403,"links":{},"metadata":{"_buckets":{"deposit":"ddcf793d-d06b-45fe-ab0d-f152d659eb2d"},"_deposit":{"created_by":1,"id":"11403","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"11403"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00011403","sets":["1543:1580:1594","1887:1891"]},"author_link":["100228","100224","100230","100226","100225","100229","100236","100237","100234","100235","100231","100227","100233","100232"],"item_5_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Orbit determination of Hayabusa asteroid explorer: Results until 2004"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-09","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"626","bibliographicPageStart":"623","bibliographic_titles":[{"bibliographic_title":"第5回宇宙科学シンポジウム"},{"bibliographic_title":"Proceedings of the 5th Space Science Symposium","bibliographic_titleLang":"en"}]}]},"item_5_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"小惑星探査機「はやぶさ」の軌道決定における新しい問題は、電気推進という微小加速度のもとで正確な軌道決定を行うことである。現状では、電気推進による加速度をある程度まで推定しているが、まだその精度が十分ではない。それは、電気推進の推力の変動が想定されていたものよりも大きいためである。したがって、定常運用においては、時々イオンエンジンを停止して軌道決定を行っている。ここでは、電気推進の微小推力の推定および定常運用の軌道決定状況について報告する。また、2004年5月の地球スイングバイ時の軌道決定についても報告する。","subitem_description_type":"Abstract"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0049122149","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構宇宙科学研究本部"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙航空研究開発機構 宇宙科学研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 宇宙科学研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 宇宙科学研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 宇宙科学研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 宇宙科学研究本部"},{"subitem_text_value":"富士通"},{"subitem_text_value":"富士通"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space and Astronautical Science"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency 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connectivity","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"propulsion history","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"M-V rocket","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"estimating","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference 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