outer planet

nouns

(astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)
outer planet
is a member of
the sun with the celestial bodies that revolve around it in its gravitational field
solar system
domain category
the branch of physics that studies celestial bodies and the universe as a whole
astronomy, uranology
is a type of (narrower)
(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
major planet, planet