gg1382013 GG138 is a large asteroid whose orbit extends beyond the orbit of Neptune. NASA JPL has not classified 2013 GG138 as potentially hazardous because its orbit does not bring it close togg138 Follow. Overview Repositories 1 Projects 0 Packages 0 Stars 0. gg138. Follow. gg138 Follow. 0 followers · 1 following Block or Report. Block or report gg138