705 エウロパ探査の概念検討 : 惑星間飛行経路と木星大気エアロブレーキの成立可能性(OS7-1 衛星・マイクロ波エンジン・惑星探査)(OS7 北海道における航空宇宙工学研究の進展と未来)

概要

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It has been recently found that Europa, the second satellite of Jupiter, has warm water under its icy surface. Biological explorations are needed so as to investigate the existence of life on Europa and to clarify the origin of life on the Earth. A preliminary analysis is carried out on flight trajectories from the Earth to Jupiter and on the feasibility of aerobraking in Jovian atmosphere for deploying a satellite around Europa. Several interplanetary orbits from the Earth to Jupiter are calculated and that having the smallest Jovian insertion energy is selected. It is clearly shown that aerobraking is by far more advantageous for reduction of satellite weight than retrofiring of rocket motors.
2001-09-25