Gonggong (smɔl-planɛt nem 225088 Gonggong) na wan dwɔf planɛt, we na mɛmba fɔ di disk we skata pas Nɛptun. I gɛt wan ɔbit we rili ɛksentrik ɛn inklin we i de frɔm 34–101 astronomik yunit dɛn (5.1–15.1 bilyan kilomita; 3.2–9.4 bilyan mayl) frɔm di San. As of 2019, in distans frɔm di San na 88 AU (13.2×109 km; 8.2×109 mi), ɛn na di siks-fast tin we dɛn no bɔt Solar System. Akɔdin to di Dip Ɛkliptik Sɔv, Gɔngɔng de insay 3:10 ɔbital rɛsɔnans wit Nɛptun, we i de kɔmplit tri ɔbit dɛn rawnd di San fɔ ɛvri tɛn ɔbit dɛn we Nɛptun dɔn kɔmplit. Di wan dɛn we de stɔdi bɔt di sta dɛn na Amɛrika we nem Megan Schwamb, Maykɛl Brawn, ɛn Devid Rabinowitz bin fɛn Gonggong insay Julay 2007 na di Palomar Observatory, ɛn dɛn bin anawns se dɛn fɛn am insay Janwari 2009. Na lɛk 1,230 km (760 mayl) in dayamita, Gonggong in saiz fiba Pluto in mun Charon, we mek am di nɔmba fayv big tin we dɛn no bɔt trans-Nɛptunian (apat i pɔsibul frɔm Charon). I kin big fɔ bi plastic ɔnda in yon graviti ɛn dat mek i kin bi dwɔf planɛt. Di big mas we Gonggong gɛt de mek i jɔs pɔsibul fɔ kip wan smɔl atmosfɛs we gɛt mitin, pan ɔl we dis kayn atmosfɛs go rɔnawe smɔl smɔl go na di spes. Dɛn gi di tin in nem frɔm Gònggōng, we na wan Chaynish wata gɔd we de mek chaos, wata we kin rɔn ɛn di we aw di wɔl kin tilt. Di wan dɛn we fɛn am bin pik di nem insay 2019, we dɛn bin ɔganayz wan ɔnlayn poll fɔ di jenɛral pɔblik fɔ ɛp fɔ pik nem fɔ di tin, ɛn di nem Gonggong bin win. Gonggong na rɛd, i go mɔs bi se na bikɔs ɔrganik kɔmpawnd dɛn we dɛn kɔl tholin de na in fes. Wata ays de bak na in safa, we de sho se krayovolkenik bin de wok fɔ shɔt tɛm insay di fa fa tɛm. Wit wan rotashɔn tɛm we de arawnd 22 awa, Gonggong de rɔta sloslo we yu kɔmpia am wit ɔda trans-Nɛptunian tin dɛn, we tipikli gɛt tɛm we nɔ rich 12 awa. I go bi se na di taydal fɔs we kɔmɔt na in natura sataylayt, we dɛn kɔl Xiangliu, bin mek di Gonggong sloslo.