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Nope, it is still unamed(I guess due to the controversy it created, and the inability to prove if it did exist or not), but i think Phaeton would be a good name since its the one used for a couple ...
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#1: Initial revision
Nope, it is still unamed(I guess due to the controversy it created, and the inability to prove if it did exist or not), but i think [Phaeton](https://en.wikipedia.org/wiki/Fifth_planet_(hypothetical)) would be a good name since its the one used for a couple of also Hypothetical planets