About SATO MAKOTO
About 津山工業高等専門学校紀要
About locus
About autorotation
About artificial satellite
About orbit(trajectory)
About equator
About tilt angle
About eccentricity(ellipse)
About elliptical orbit
About high latitude
About grasping
About geostationary satellite
About observation and view
About observer
About Intuition
About Motion and orbit of space crafts
About 静止衛星
About 軌跡