Artist's Concept of Kuiper Belt Object 2003 UB313 (Non-Annotated)

This is an artist's concept of Kuiper Belt object 2003 UB313 (nicknamed Xena) and its satellite Gabrielle.

Ground-based observations suggested that Xena was about 30 percent greater in diameter than Pluto, but Hubble's Advanced Camera for Surveys images, taken on Dec. 9 and 10, 2005, yielded a diameter of 1,490 miles with an uncertainty of 60 miles (about 2400 kilometres with an uncertainty of 100 kilometres) for Xena. Pluto's diameter, as measured by Hubble, is 1,422 miles.

Credit:

NASA, ESA, and A. Schaller (for STScI)

About the Image

NASA press release
NASA caption
Id:opo0616a
Type:Artwork
Release date:11 April 2006, 19:00
Size:4800 x 3600 px

About the Object

Name:2003 UB313, Dysnomia, Eris
Type:• Solar System : Planet : Satellite
• Solar System : Interplanetary Body : Dwarf planet
• X - Solar System Images/Videos


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