Outer. Inner are the one's closer to the Sun.
First off you must find out where planet nepture is and then calulate it out I will give you a hint planet nepture is in the your moma universe
inner planet
Inner.
It is an inner planet.
inner planet
Saturn is an outer planet. The outer and inner plantes are divided by the asteroid belt.
Venus is an inner planet
Venus is an inner planet.
outer planet
It's the outer planet.
The asteroid belt is neither an inner or an outer planet; it is the belt of asteroids that seperate the inner from the outer planets
Inner, cause there is a ring of asteroids between Mars and Jupiter so therefore that makes it an inner planet & not an outer planet.