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physical phenomena > event > celestial event > periodic celestial event > orbital event > Sun orbital event > aphelion

aphelion
subject			fact

aphelion	has antonym perihelion
	has definition The point in a planetary orbit that is at the greatest distance from the Sun.
	is an instance of Sun orbital event
Sun orbital event	has participants planet, Sun
orbital event	has period 1 orbital period
event	has duration
	has synonym world point
	has time of occurrence