# If you know that the period is 76 years and the semi major axis is 17.94 AU, how do you calculate the distances of the perihelion and aphelion?

##### 1 Answer

Mar 28, 2016

There is not enough information to calculate the apses distances.

#### Explanation:

The period

If the eccentricity

In fact the period and semi-major axis can be calculated from each other using Kepler's third law. For our solar system if