Original: It was discovered by Matthew J. Holman , John J. Kavelaars , Dan Milisavljevic , and Brett J. Gladman on August 13 , 2001 , and given the provisional designation S\/2001 U 2 .
Simplified: It was finally refound on September 24 , 2003 by Scott S. Sheppard on images taken by David C. Jewitt and himself on August 29-30 and September 20 of that year .