Circular orbit
Orbit with a fixed distance from the barycenter / From Wikipedia, the free encyclopedia
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For other uses of "orbit", see Orbit (disambiguation).
A circular orbit is an orbit with a fixed distance around the barycenter; that is, in the shape of a circle. In this case, not only the distance, but also the speed, angular speed, potential and kinetic energy are constant. There is no periapsis or apoapsis. This orbit has no radial version.
This article relies largely or entirely on a single source. (April 2020) |
Listed below is a circular orbit in astrodynamics or celestial mechanics under standard assumptions. Here the centripetal force is the gravitational force, and the axis mentioned above is the line through the center of the central mass perpendicular to the orbital plane.