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(52768) 1998 OR2, provisional designation 1998 OR2, is an asteroid on an eccentric orbit, classified as a near-Earth object and potentially hazardous asteroid of the Amor group, with a diameter of 2 kilometers (1.2 mi). It was discovered on 24 July 1998, by astronomers of the NEAT program at the Haleakala Observatory, Hawaii.[2] There are precovery images from 1987 and 1996. It is one of the brightest and therefore largest potentially hazardous asteroids known to exist.[8] With an observation arc of 32 years, the asteroid has a well-determined orbit, and its trajectory is well known through the year 2197.[1] The asteroid's orbit is only potentially hazardous on a time scale of hundreds, if not thousands, of years.