For Apsides we have terms and definitions in 2 topics. The topics are Astrology and Hunting.

Plural of Apsis.
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The points in the orbit of a planet or moon which are the nearest and farthest from the center of attraction. In the Earth's orbit these are called perihelion and aphelion, and in the Moon's orbit, perigee and apogee. The line passing through the apsides of an orbit is called the line of apsides.
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