Eris = 2326kScientific American wrote:But a new look at Eris has cut the dwarf planet down to size. New data presented last week at a joint meeting of the American Astronomical Society Division for Planetary Sciences and the European Planetary Science Congress in Nantes, France, show that Eris is smaller than had been estimated. The new estimate for its diameter means that Eris is almost exactly the same size as Pluto—and possibly even a bit smaller.
Pluto = 2338k
