Pluto before Charon was discovered. Pluto is more than twice the diameter and a dozen times the mass of the dwarf planet Ceres, the largest object in the asteroid belt. It is less massive than the dwarf planet Eris, a trans-Neptunian object discovered in 2005, though Pluto has a larger diameter of 2376.6 km compared to Eris's approximate diameter of 2326 km. Determinations of Pluto's size had been complicated by its atmosphere, and hydrocarbon haze. In March 2014, Lellouch, de Bergh et al. published findings regarding methane mixing ratios in Pluto's atmosphere consistent with a Plutonian diameter greater than 2360 km,
Sailor Pluto is still considered a member of the Sailor Guardians despite the reclassification of Pluto as a dwarf planet (as opposed to just a planet). Many fans joke that Sailor Moon will reinstate Pluto as a planet after becoming queen. Others joke she was "fired" from the Sailor Guardians. This despite the fact that the moon isn't a planet either yet this doesn't affect Sailor Moon's status and power. There are also Sailor Guardians of asteroids, classified as "minor planets". What astronomical bodies are called clearly has no bearing on the story. Due to her portrayal in the anime and a