#celestial_orbit__celestialorbit__orbit  the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"
  supertype:  itinerary__path__route  an established line of travel or access
  part:  point_of_apoapsis  point_of_periapsis
  subtype:  geosynchronous_orbit  a circular orbit around the Earth having a period of 24 hours
     subtype:  geostationary_orbit__geostationaryorbit  a geosynchronous orbit that is fixed with respect to a position on the Earth

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