perihelion
pe-ri-he-li-on
noun
The point in a planet's or comet's orbit when it is closest to the Sun.
"Earth reaches perihelion in early January each year."
Thesaurus
Antonyms: aphelion
pe-ri-he-li-on
The point in a planet's or comet's orbit when it is closest to the Sun.
"Earth reaches perihelion in early January each year."
Antonyms: aphelion