Encyclopedia of Science
CELESTIAL MECHANICS
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

                   • HOME
• ABOUT
• CATEGORIES
• USE OF TEXT AND IMAGES
• NEWSLETTER

  



apoapsis


apoapsis and periapsis
The point in the orbit of a body, such as a planet, moon, comet, or spacecraft which is furthest from the primary. Special names, including apastron, aphelion, and apogee, are given to this orbital point for familiar systems.


Related category

   • CELESTIAL MECHANICS


Also on this site:

Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History




BACK TO TOP