Credit: NASA, ESA, and M. Brown (Caltech)
Using this Hubble Space Telescope image, astronomers determined
that Xena’s diameter is 2,384 kilometers (1,490 miles). Xena is
only slightly larger than Pluto, which has a diameter of 2,275
kilometers (1,422 miles). Although this view lacks many details
about Xena, it is the best image ever made of the icy object.