SPACEWATCH® Observed a Passing Interstellar Object.
Oct. 27, 2017
A/2017 U1 = `Oumuamua passed through our solar system.
2017 October 21-26: SPACEWATCH® contributed astrometric observations to help refine knowledge of the orbit of the first object to be discovered entering our solar system from interstellar space in an unbound hyperbolic orbit. The interstellar object was A/2017 U1 = `Oumuamua. See JPL's "Small Asteroid or Comet 'Visits' from Beyond the Solar System" article for more information.