| Fictional info (?) |
| Suggested name | Yang-xex |
| Planet type | Cold planet |
| It has the densest atmosphere of the cold planets, consisting primarily of ethane. |
| Atmosphere | Ethane | 54% |
| Hydrogen | 22% |
| Nitric oxide | 15% |
| Sulfur dioxide | 4.8% |
| Carbon monoxide | 3.1% |
| Krypton | 0.078% |
| Ozone | 0.026% |
| 2H2O | 0.00075% |
| Hydrogen deuteride (HD) | 0.00032% |
| Atmospheric pressure | 0.032 bar |
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| Moon | Wwozh Wash | Very small irregular rocky asteroid |
| Wantyuf | Huge round crater-filled comet |
| Gyongb-yi | Huge potato shaped rocky asteroid |
| Qeizh An | Large slightly egg-shaped oceanic planetoid |
| Wangcan Ryouhwai | Very small round gaseous asteroid |
| Wanhwa-pwubying | Very small slightly egg-shaped ice planetoid |
| Syeb Yigeig | Huge round rocky comet |
| Eimerd'erzwoq'ying | Huge almost round gaseous moon |
| Josye-dyuan Kyun | Huge potato shaped oceanic moon |
| Deizwo | Very small round gaseous moon |
| Pwei Chwen | Huge round gaseous planetoid |
| Souy | Very small round crater-filled planetoid |
| Jenkai | Small potato shaped crater-filled comet |
| Jwojwo'rengq-en | Very small irregular oceanic moon |
| Weqyou Zheij Wa | Medium-sized almost round gaseous moon |
| Wangrangt | Large almost round oceanic moon |
| Erqan Swen'swu | Huge round crater-filled moon |
| Enbwuwwen | Medium-sized potato shaped ice planetoid |
| Raicyao-sh | Very small round gaseous moon |
| Zyesyang Byong | Small round rocky moon |
| Faihwu Yyinw Wen | Medium-sized round oceanic moon |
| Shoud-erlyong | Large irregular gaseous moon |
| Wangx-waqyi-ch | Very small irregular oceanic moon |
| Yunwwa-d | Small irregular gaseous moon |
| Dyouz'wenreng | Small slightly egg-shaped rocky asteroid |
| Mengc Aqyu | Huge irregular rocky moon |
| Ouqying-gyao | Large round ice asteroid |
| Feib Waqei'dyuan | Huge potato shaped ice moon |
| Anlyinh | Huge round rocky moon |
| Yinpeng Nyueqyue | Large slightly egg-shaped gaseous comet |
| Changh-ei | Large round ice asteroid |
| Wapai-dwang | Very small irregular crater-filled asteroid |
| Google search for Yang-xex |