The UppsalaâÂÂESO Survey of Asteroids and Comets (UESAC) took place in 1992âÂÂ1993. A large number of asteroids were investigated. Over 15,000 positions were detected, and orbits were calculated for 2500.
The observations were taken at ESO's La Silla Observatory site in Chile, with a total of 74 obtained photographic plates, and at the Anglo-Australian Observatory (Siding Spring Observatory) in Australia. Details were published in 1996.
The Minor Planet Center credits UESAC with the discovery of 1123 numbered minor planets. The discoveries range from the lowest numbered discovery, 6102 Visby, to the currently highest numbered body, . The given total also including and , which were separately credited to "Comets UESAC", while all other discoveries were credited to "UESAC". More minor planets may yet to be numbered and added to this list as their orbits are confirmed.