| Fictional info (?) |
|---|
| Suggested name | Yafwan Rwen |
| Planet type | Cold planet |
| The planet is named after the deity Yafwan Rwen, the bringer of nature.
Yafwan Rwen is gravitationally locked with Kepler-90 in a 5:4 spin-orbit resonance, and rotates in a way that is unique in its solar system.
Yafwan Rwen is the site of Titanic Peak, the most active volcano and second-highest known mountain in its solar system, and of Valles Marineris, one of the largest canyons in its solar system. |
| Atmosphere | Hydrogen chloride | 57% |
| Nitrogen | 29% |
| Oxygen | 13% |
| Ammonium hydrosulfide (NH4SH) | 0.29% |
| Carbonyl sulfide | 0.16% |
| Atmospheric pressure | 22 bar |
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| Moon | Yezher Nyunleig | Small round rocky moon |
| Yyaoxengg | Very small almost round oceanic asteroid |
| Wangg Eiw | Very small round rocky moon |
| Jwolan-kercyin | Very small potato shaped gaseous moon |
| Tyao | Small potato shaped rocky comet |
| Yazh Aosh'yan | Huge round rocky comet |
| Angx'weiya | Medium-sized irregular oceanic planetoid |
| Peizweng Myo | Medium-sized round rocky moon |
| Hyin Dwang | Small round gaseous planetoid |
| Xerr Yan | Very small potato shaped ice asteroid |
| Yinpyin | Huge almost round rocky planetoid |
| Lyoujwam | Small round gaseous moon |
| Axouz-ang | Small irregular gaseous moon |
| Zeizwang-syuy | Small round oceanic moon |
| Kang Wouh Anj | Huge potato shaped crater-filled asteroid |
| Aosochwai | Medium-sized round oceanic asteroid |
| Zwaish | Medium-sized round rocky asteroid |
| Yunqwa-chyaqyu | Small almost round gaseous planetoid |
| Yanch Ying Lokya | Large irregular crater-filled moon |
| Wenghya Gwok | Small round rocky moon |
| Cyoq-eng | Very small almost round crater-filled asteroid |
| Zaih-yong Zwang | Medium-sized slightly egg-shaped gaseous moon |
| Fanwen | Small slightly egg-shaped crater-filled planetoid |
| Wyomying | Very small round gaseous moon |
| Anzen Wyou | Large round rocky asteroid |
| Moshang Zheng | Large slightly egg-shaped ice comet |
| Yinlyin-wyangy | Very small irregular rocky comet |
| Yong Swang | Medium-sized round crater-filled planetoid |
| Yomwap Engxyan | Large potato shaped gaseous planetoid |
| Ozhed Wanzh Wa | Medium-sized slightly egg-shaped oceanic asteroid |
| Yuqyin | Very small round rocky moon |
| Kajweng'sh | Large slightly egg-shaped rocky comet |
| Qyong-xyong | Large round oceanic asteroid |
| Yuetwei | Very small irregular gaseous asteroid |
| Mwang | Very small slightly egg-shaped ice asteroid |
| Enanx Okyue | Small potato shaped rocky comet |
| Jyun Syuan | Small round gaseous comet |
| Yinlolei Zhouch | Large almost round rocky planetoid |
| Yehao | Small potato shaped crater-filled asteroid |
| Ryinsh'angk | Medium-sized potato shaped crater-filled moon |
| Aichyi | Large almost round ice moon |
| Enzhyash Enx | Medium-sized almost round rocky comet |
| Swang-l | Medium-sized round crater-filled moon |
| Enghwen-raityao | Huge almost round rocky asteroid |
| Google search for Yafwan rwen |