| Fictional info (?) |
|---|
| Suggested name | Fweich Yun |
| Planet type | Cold planet |
| The planet is named after the deity Fweich Yun, the goddess of dreams.
As seen from HD 87646 A, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.
The polar regions are constantly below 270°K (-3°C).
Like the other cold planets, Fweich Yun has a ring system, a magnetosphere, and numerous moons, Chweng Qeng being the least studied one. |
| Atmosphere | Formaldehyde | 44% |
| Methane | 34% |
| Hydrogen | 13% |
| Ozone | 8.4% |
| Ammonium hydrosulfide (NH4SH) | 0.1% |
| Atmospheric pressure | 0.001 bar |
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| Moon | Wweng | Medium-sized round oceanic moon |
| Lengj'egwas Yu | Small irregular rocky moon |
| Chweng Qeng | Large slightly egg-shaped gaseous comet |
| Tenlwei | Small round crater-filled planetoid |
| Jyipwoh-wanwweng | Large irregular oceanic asteroid |
| Gwan'c | Huge round ice asteroid |
| Pacyidwei'fereng | Small round oceanic comet |
| Yinlwang'w | Huge irregular oceanic comet |
| Yixwo Zwuh Wo | Huge slightly egg-shaped rocky moon |
| Yeceqyou'k | Huge almost round ice comet |
| Wangcwai | Large potato shaped oceanic moon |
| Shocya'xwapyou | Large potato shaped rocky asteroid |
| Myoul'ying | Very small potato shaped oceanic asteroid |
| Wentye | Medium-sized round crater-filled asteroid |
| Dyoutwai Saih | Medium-sized round ice comet |
| Lwenbou Hangr | Very small potato shaped rocky moon |
| Lyudyou-g | Small round crater-filled asteroid |
| Aoqyunm Eng | Small irregular oceanic comet |
| Yuangweng | Very small almost round oceanic asteroid |
| Yank | Very small slightly egg-shaped gaseous asteroid |
| Aiqwo-t | Large potato shaped crater-filled asteroid |
| Hyou'sh | Large slightly egg-shaped oceanic asteroid |
| Weik Wenq Yu | Huge round rocky asteroid |
| Gyiyou-h | Very small irregular gaseous moon |
| Wuneik Yanfenf | Medium-sized potato shaped rocky moon |
| Wunou-kyang-y | Large almost round ice asteroid |
| Wuwang Zherh | Medium-sized round crater-filled moon |
| Qwutyush-yunm | Large slightly egg-shaped gaseous asteroid |
| Eshwupa Lwangm | Very small round crater-filled planetoid |
| Wengyo Gyan | Small slightly egg-shaped gaseous asteroid |
| Google search for Fweich yun |