aphelion (noun) /əˈfi.li.ən/, /əˈfil.jən/, /æpˈhi.li.ən/, /æpˈhil.jən/
1
(astronomy, also figurative) The point in the elliptical orbit of a comet, planet, or other astronomical object, where it is farthest from the Sun.
(astronomy, also figurative) The point in the elliptical orbit of a comet, planet, or other astronomical object, where it is farthest from the Sun.