"would that be aphelion or perihelion?"

Aphelion and perihelion are points on an elliptical orbit around the sun. Aphelion is the point furthest from the sun, and perihelion the closest. 

1: Planet is at aphelion. 2: Planet is at perihelion. 3: The sun
Public Domain1: Planet is at aphelion. 2: Planet is at perihelion. 3: The sun - Credit: Pearson Scott Foresman