$\"\"$

The perihelion of pluto is $\"\"$ .

The distance from the center of its elliptical orbit to the sun is $\"\"$ .

The mean distance of pluto from the sun is $\"\"$ .

The aphelion of pluto is $\"\"$ .

The equation of the orbit is $\"\"$ , where $\"\"$ .

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ .

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$ .

The equation for the orbit is $\"\"$ , where $\"\"$ be in millions of miles.

$\"\"$

The equation for the orbit is $\"\"$ , where $\"\"$ be in millions of miles.