On 7 October 2002 the discovery of Quaoar was announced. The ice body was discovered on 4 June 2002 by Michael Brown and Chadwick Trujilo at the California Institute of Technology using the Palomar Telescope in Pasadena.
The discovery was confirmed with observations from the Hubble Space Telescope.
The official name for Quaoar is 2002 LM60. This ice body is an object located in the Edgeworth-Kuiper Belt and has a diameter of 1280 kilometer. In size and composition it is comparable to Pluto, Charon and Neptune's moon Triton.