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Don't be mean. I promise to do my best to judge that fairly.

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Luna (slrpnk.net)

submitted 6 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 6 months ago* (last edited 6 months ago)

There's currently no formal definition requiring that. By that definition, none of Pluto's five moons would be moons, since they all orbit the same barycenter.

There's a whole discussion about it here and it looks like it might be reconsidered in the future https://en.wikipedia.org/wiki/Charon_(moon)#Classification