Simplify the following text for a Grade 9 native English-speaking person.
Original: It was discovered from the images taken by Voyager 2 on January 23 , 1986 , and was given the temporary designation S\/1986 U 9 .
Simplified: It was found from the images taken by Voyager 2 on 1986-01-23 , and was given the designation S\/1986 U 9 .