Comment Re:And still (Score 2, Insightful) 196
Neither does Jupiter. There are about 100,000 trojan asteroids in Jupiter's orbit, so it fails the third criteria; "cleared the neighbourhood around its orbit."
In fact... Earth, Mars, Jupiter and Neptune all fail to meet that criteria.
The definition of "planet" is a fucked up mess that a small group of astronomers threw together with the intent of classifying Pluto as not-a-planet without really thinking it through.