ATIS Telecom Glossary
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periapsis
In a satellite orbit, the point that is closest to the gravitational center of the system consisting of the primary body and the satellite. Note: In an orbit about the Earth, periapsis is called perigee. In an orbit about the Moon, periapsis is called perilune, and in an orbit about the Sun, it is called perihelion.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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