<P> The perihelion ( / ˌpɛrɪˈhiːliən / ) of any orbit of a celestial body about the Sun is the point where the body comes closest to the Sun . It is the opposite of aphelion ( / æpˈhiːliən / ) , which is the point in the orbit where the celestial body is farthest from the Sun . </P>
<P> The perihelion ( / ˌpɛrɪˈhiːliən / ) of any orbit of a celestial body about the Sun is the point where the body comes closest to the Sun . It is the opposite of aphelion ( / æpˈhiːliən / ) , which is the point in the orbit where the celestial body is farthest from the Sun . </P>
a planet is furthest from the sun in its elliptical orbit when it is at
a planet is furthest from the sun in its elliptical orbit when it is at
aphelion
aphelion