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by KnightOfWords 2736 days ago
> The 'cleared it's orbit' thing is also arbitrary.

Not really, the degree to which a body has cleared its orbit can be calculated: https://en.wikipedia.org/wiki/Clearing_the_neighbourhood

> Pluto is sometimes closer to the Sun than Neptune for example but does that mean they share an orbit?

Pluto is locked in a resonant orbit with Neptune, a position it reached due to the influence of Neptune's gravity:

https://en.wikipedia.org/wiki/Pluto#Relationship_with_Neptun...