Parabolic trajectory

（重定向自Parabolic Orbit）

A parabolic trajectory is depicted in the bottom-left quadrant of this diagram, where the gravitational potential well of the central mass shows potential energy, and the kinetic energy of the parabolic trajectory is shown in red. The height of the kinetic energy decreases asymptotically toward zero as the speed decreases and distance increases according to Kepler's laws.

In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1. When moving away from the source it is called an escape orbit, otherwise a capture orbit. It is also sometimes referred to as a C₃ = 0 orbit (see Characteristic energy).

单词	Parabolic Orbit
释义	Parabolic Orbit 原声例句隐藏人物原声版 So, it means to move from an elliptical orbit to a parabolic orbit? 那么，就意味着需要从椭圆形轨道转到抛物线形轨道？隐藏人物原声版 The problem is when the capsule moves from an elliptical orbit to a parabolic orbit. 棘手的是，如何能让太空舱从椭圆形轨道转到抛物线形轨道。英语百科 Parabolic trajectory （重定向自Parabolic Orbit） In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1. When moving away from the source it is called an escape orbit, otherwise a capture orbit. It is also sometimes referred to as a C₃ = 0 orbit (see Characteristic energy).
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