| Fictional info (?) |
|---|
| Suggested name | Yuanh-yu |
| Planet type | Terrestrial |
| It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.
It is a terrestrial planet with a mass one-thousandth that of K2-193, but two-and-a-half times that of all the other planets in its solar system combined. This planet is named after the deity Yuanh-yu, the demon of destruction.
It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on.
The Yuanh-yu system has a unique configuration among those of the planets because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit. |
| Atmosphere | Neon | 52% |
| Xenon | 35% |
| Ethane | 11% |
| Oxygen | 1.6% |
| Ammonium hydrosulfide (NH4SH) | 0.074% |
| Nitric oxide | 0.071% |
| Atmospheric pressure | 0.07 bar |
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| Moon | Jwan Mwang | Medium-sized potato shaped crater-filled moon |
| Wech'wanb Wen | Large slightly egg-shaped rocky moon |
| Mang Myou-ch | Small irregular rocky moon |
| Byongqyao | Large irregular crater-filled moon |
| Hyerend | Medium-sized slightly egg-shaped oceanic asteroid |
| Yunchyou Shenla | Huge potato shaped crater-filled planetoid |
| Yizhyeb Wa | Small slightly egg-shaped rocky asteroid |
| Wangch | Very small irregular crater-filled moon |
| Saonyou'tyixeng | Medium-sized potato shaped rocky moon |
| Tenfyao | Large almost round rocky planetoid |
| Ryanfen Qyue | Very small slightly egg-shaped oceanic comet |
| Hyings | Small potato shaped rocky moon |
| Chojox Yuegyoy | Huge round rocky comet |
| Zhyoujwo Yyou | Medium-sized almost round gaseous asteroid |
| Yuegoc Eng | Small round ice moon |
| Yyuan Shait Wei | Medium-sized almost round rocky asteroid |
| Xyayyong'c | Medium-sized almost round ice asteroid |
| Wengzh Yue | Medium-sized slightly egg-shaped rocky moon |
| Wang Entan Rej | Medium-sized irregular oceanic moon |
| Fwenzh Yuexyang | Small irregular ice moon |
| Hanwyong | Very small round oceanic moon |
| Xengmwu Xaiwyun | Large slightly egg-shaped oceanic moon |
| Mwanher'qan | Medium-sized slightly egg-shaped oceanic asteroid |
| Densh-yuan | Medium-sized round ice asteroid |
| Yinlyou | Medium-sized round oceanic comet |
| Zhwei-fyuny-e | Huge round gaseous moon |
| Yinxwang | Medium-sized slightly egg-shaped ice asteroid |
| Yegyanl-aqying | Very small round gaseous moon |
| Ying | Small irregular ice planetoid |
| Yongn Aimwang-d | Large almost round ice moon |
| Wang Jyao'zous Wan | Very small potato shaped rocky moon |
| Wenghwai Chyun | Huge round rocky moon |
| Kyongk | Medium-sized round rocky moon |
| Byuc Wosh Ou | Huge round crater-filled asteroid |
| Yingpwai | Small round ice moon |
| Wozwot'anryo | Very small round rocky moon |
| Aoshad | Large round rocky asteroid |
| Yihyiw | Medium-sized potato shaped gaseous asteroid |
| Fyun-z | Large round rocky moon |
| Yourai-gengj | Large irregular rocky asteroid |
| Wusyao Xyingg | Huge round gaseous comet |
| Google search for Yuanh-yu |