Author(s): Pan-STARRS

Release date:

XO-2, also known as TOI-1720 and Gaia-TROI-168, is a binary star system of two Sun-like stars about 505.36 light-years away in the constellation Lynx. This is one of a few rare multiple star systems known where all of its stars have planets orbiting them individually. Component N/A has a single gas giant planet, while component S/B has two gas giant planets


  • The default Go-to button will take you to the barycenter/reference point of both stars of XO-2
  • To visit the stars and the planets themselves, you must enter either "XO-2N" or "XO-2S" in the search bar

A mosaic of the planets of XO-2N (left) and XO-2S (right)

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