The moon was recovered and confirmed to be the only object in its orbit during the `` Voyager 2 '' flyby in 1989 after which it received the additional designation S/1989 N 2 on August 2 , 1989 .
The moon was refound and confirmed to be the only object in its orbit during the `` Voyager 2 '' flyby in 1989 after which it received another designation S/1989 N 2 on August 2 , 1989 .