An orbit that changes from one circular orbit to the other between two orbits with different orbital radii in the same plane. It is an elliptical orbit inscribed in the outer orbit and circumscribed in the inner orbit, and can be changed by applying thrust at two points, the perigee (or perihelion) and the apogee (or aphelion). It is known as the orbit that moves between the two orbits with the least energy. It is used when putting an artificial satellite into a geostationary orbit, but since it generally involves a change in orbital plane, it is strictly different from the Hohmann orbit, which is performed in the same plane. Hohmann transfer orbit. Hohmann transfer orbit. Hohmann transfer orbit. Source: About Shogakukan Digital Daijisen Information | Legend |
同一面にある軌道半径が異なる二つの円軌道の間で、一方からもう一方に変更するための軌道。外側の軌道に内接し、内側の軌道に外接する楕円軌道であり、近地点(または近日点)と遠地点(または遠日点)の2か所で推力を与えることで変更できる。両軌道間を最も少ないエネルギーで移行する軌道として知られる。人工衛星を静止軌道にのせる際などに用いられるが、一般的に軌道面の変更を伴うため、厳密には同一面内で行われるホーマン軌道とは異なる。ホーマン遷移軌道。ホーマン転移軌道。ホーマントランスファー軌道。
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