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Hubble spies Xena
Hubble image of Xena

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.