# A planet has a perihelion distance of 1 A.U. and a semi major axis of 234.89 A.U. What is it's aphelion distance?

##### 1 Answer

Apr 3, 2017

The aphelion distance is

#### Explanation:

Given that the planet follows an elliptical orbit with a semi major axis

Substituting the values for perihelion:

So the aphelion distance as: