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Trans-Neptunian satellites

  • S/2015 (136472) 1Astronomers pointed the Hubble Space Telescope toward the Kuiper belt in April 2015. They used a specific instrument called the Wide Field Camera 3 to scan…
  • Dysnomia (moon)On the 10th of September 2005, astronomers at the W. M. Keck Observatory in Hawaii spotted a faint point of light orbiting the distant dwarf planet Eris.
  • Namaka (moon)Michael E. Brown spotted a faint smudge of light in high-resolution images taken by the Keck II telescope on the 1st of March, the 28th of May, and the 30th…
  • Hiʻiaka (moon)Michael E. Brown spotted the moon on the 26th of January 2005 using adaptive optics at the W. M. Keck Observatory on Mauna Kea, Hawaii.
  • Vanth (moon)On the 13th of November 2005, images from the Hubble Space Telescope revealed a faint dot near the dwarf planet Orcus. Michael Brown and Terry-Ann Suer…
  • Xiangliu (moon)A faint point of light emerged from archival Hubble Space Telescope images taken on the 18th of September 2010. Csaba Kiss and his team had been analyzing…
  • Styx (moon)On the 11th of July 2012, astronomers announced the existence of a tiny moon orbiting Pluto. Mark R. Showalter led the team that found this object using…
  • Kerberos (moon)On the 28th of June 2011, researchers using the Hubble Space Telescope spotted a faint point of light near Pluto. This discovery came during an attempt to…
  • Nix (moon)On the 15th of May 2005, astronomers using the Hubble Space Telescope captured images that would change our understanding of Pluto.
  • Hydra (moon)On the 15th of May 2005, astronomers using the Hubble Space Telescope spotted faint points of light near Pluto. These images captured two new moons that had…
  • Charon (moon)On the 22nd of June 1978, astronomer James Christy examined photographic plates at the United States Naval Observatory Flagstaff Station.