@inproceedings{oai:jaxa.repo.nii.ac.jp:00007812, author = {吉田, 京平 and 狼, 嘉彰 and 谷脇, 滋宗 and Yoshida, Kyohei and Okami, Yoshiaki and Taniwaki, Shigemune}, book = {平成14年度アストロダイナミクスシンポジウム:講演後刷り集, ISAS Proceedings of 12th Workshop on Astrodynamics and Flight Mechanics 2002: A Collection of Technical Papers}, month = {Feb}, note = {本論文では、スタートラッカより得られる衛星の姿勢と、GPSより得られる衛星の位置から、地表面上の観測地点を決定する計算手法を示す。本手法は、衛星の姿勢と位置、地球を回転楕円体と近似した時の長半径と離心率から、人工衛星の観測地点を、地球の緯度・経度で算出するものである。本手法を実際の地球観測衛星に適用した数値シミュレーションを実施し、姿勢と位置の決定誤差が地表面上の観測地点に与える影響を定量的に評価する。, In this paper, the pointing accuracy of Earth observation satellites that use a star tracker (STT) and a GPS has been estimated. A practically viable method is proposed for determining an observation point in terms of the Earth latitude and longitude of from satellite attitude by STT and its position by GPS, assuming the Earth is an ideal geoid. Numerical simulations based on this method have been carried out for the Earth observation satellites currently under development and the dependency of the observation point determination accuracy has been evaluated quantitatively on the accuracy of STT and GPS used for attitude and position determination, respectively., 資料番号: AA0045497050}, pages = {293--298}, publisher = {宇宙科学研究所, The Institute of Space and Astronautical Science (ISAS)}, title = {Accuracy of surface pointing determination using star tracker and GPS for earth observation satellites}, year = {2003} }