was first observed on the night of 17 April 1999, by astronomers using the 4-meter Nicholas U. Mayall Telescope at Kitt Peak National Observatory in Arizona. Five additional objects were discovered on the same weekend: , ,  (Deucalion),  and .
The object was first spotted on the evening of 17 April 1999, using the 4-meter Nicholas U. Mayall Telescope at Kitt Peak National Observatory in Arizona. In addition to this discovery, five more objects were found during the same weekend: , ,  (Deucalion),  and .