# IAU definition of planet

> definition of a planet as a body orbiting the Sun, in hydrostatic equilibrium, having cleared the neighborhood around its orbit; ratified by the IAU in August 2006, thereby reclassifying Pluto as a dwarf planet instead

**Wikidata**: [Q2361306](https://www.wikidata.org/wiki/Q2361306)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IAU_definition_of_planet)  
**Source**: https://4ort.xyz/entity/iau-definition-of-planet