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How often does perihelion occur in an orbit? | HIX Tutor

Perihelion is the closest approach of a body to <a href="http://socratic.org/astronomy/our-solar-system/the-sun-1">the Sun</a> in its Orbit. 
In an elliptic heliocentric orbit where the body orbits the Sun, 
Perihelion occurs about once per orbit and Aphelion occurs once per orbit.

Perihelion is the closest approach of a body to the Sun in its Orbit. 
In an elliptic heliocentric orbit where the body orbits the Sun, 
Perihelion occurs about once per orbit and Aphelion occurs once per orbit.

Perihelion generally occurs about once per heliocentric orbit.

John Alexander

Perihelion occurs once during each orbit around the Sun.