It should commiserate with Ceres, Pallas, Juno, and Vesta, which suffered the same fate in the 19th Century.
Face it, it's not a planet. I think the 2006 IAU definition:
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic
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