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by zamadatix 2736 days ago
"round" is a bit oversimplified in the above the actual criteria is:

"(b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, "

If Farout is highly icy 500km could be enough to qualify it.

Regardless it isn't nearly massive enough to clear it's orbit.