Definition:Orbit (Physics)
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This page is about the orbit of one body around another. For other uses, see Definition:Orbit.
Definition
The orbit of body $A$ around body $B$ is the path taken by $A$ as it travels around $B$ under the influence of the force acting between $A$ and $B$.
Period of Orbit
The period of an orbit of body $A$ around body $B$ is the length of time it takes for $A$ to travel once around $B$ and return to its original position.
