| Fictional info (?) |
| Suggested name | Zefu |
| Planet type | Cold gas giant |
|
| Atmosphere | 2H2O | 97% |
| Krypton | 2.4% |
| Water vapor | 0.27% |
| Neon | 0.016% |
| Hydrogen | 0.00014% |
| Atmospheric pressure | 0.04 bar |
 |
| Moon | Pyaju Piki Se | Very small slightly egg-shaped rocky moon |
| Soyome'ronamyo-po | Huge irregular rocky planetoid |
| Sanogu | Very small irregular rocky moon |
| Takihyo Jobyo | Small round gaseous moon |
| Namyone-nyo | Huge almost round rocky planetoid |
| Hyuso Upoke Jashi | Very small almost round rocky comet |
| Byonyu'ho | Large almost round ice planetoid |
| Hanagu Samozo | Very small almost round gaseous asteroid |
| Zaryo-ko | Large potato shaped rocky asteroid |
| Shatsu | Very small almost round rocky planetoid |
| Miyahya-rirage'hya | Medium-sized potato shaped crater-filled moon |
| Byuno-kuhyu | Huge round rocky planetoid |
| Samusho Na | Huge irregular crater-filled moon |
| Totopya | Medium-sized round gaseous moon |
| Rogyo Isha | Very small potato shaped crater-filled moon |
| Jayuonyu-nenamo | Very small round crater-filled asteroid |
| Poso Rimo Me | Small slightly egg-shaped crater-filled moon |
| Byako | Small round rocky asteroid |
| Yoshi Pyasha | Large slightly egg-shaped gaseous asteroid |
| Chipyushu-nyu | Huge irregular oceanic moon |
| Nuzona | Huge potato shaped oceanic planetoid |
| Rehido Buheta Sho | Very small round gaseous moon |
| Penohe Gyanu Yo | Huge slightly egg-shaped rocky comet |
| Kyubya | Large round rocky moon |
| Garya Kugyo | Large round gaseous planetoid |
| Rumue | Very small almost round rocky planetoid |
| Zarebo-piukya Ro | Huge irregular crater-filled asteroid |
| Google search for Zefu |