It was named after American astrogeologist David Roddy .
It was discovered on 21 November 1984 , by American astronomer Carolyn Shoemaker at the Palomar Observatory in California , United States .
It was named after United States astrogeologist David Roddy .
It was discovered on 21 November 1984 , by American astronomer Carolyn Shoemaker at the Palomar Observatory in California , United States .