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aphelion

DEFINITIONS OF: aphelion

1

n apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun

Antonyms:
perihelion
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
Type of:
apoapsis, point of apoapsis
(astronomy) the point in an orbit farthest from the body being orbited
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