Well the definition that removed pluto from being a planet is this: https://en.m.wikipedia.org/wiki/IAU_definition_of_planet https://en.m.wikipedia.org/wiki/IA

Well the definition that removed pluto from being a planet is this: https://en.m.wikipedia.org/wiki/IAU_definition_of_planet https://en.m.wikipedia.org/wiki/IAU_definition_of_planet