Caliban was found on 1997-09-06 by Brett J. Gladman , Philip D. Nicholson , Joseph A. Burns , and John J. Kavelaars using the 200-inch Hale telescope together with Sycorax and given the designation S\/1997 U 1 . It was discovered on 6 September 1997 by Brett J. Gladman , Philip D. Nicholson , Joseph A. Burns , and John J. Kavelaars using the 200-inch Hale telescope together with Sycorax and given the temporary designation S\/1997 U 1 .