CompX Chicago GG101 - GG153

gg138View gg138's Mods, Collections and Media. gg138 Member. gg138. Track Give Kudos Message. Endorsements Given. 10. Profile2013 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 to