It was found by a team of astronomers from the University of Hawaii led by Scott S. Sheppard and David C. Jewitt and was announced on March 4 2003 As of 2006 , it is Jupiter 's farthest known moon . The discovery , by a team of astronomers from the University of Hawaii led by Scott S. Sheppard and David C. Jewitt , was announced on March 4 , 2003 . As of 2006 , it is Jupiter 's outermost known moon .