| Fictional info (?) |
| Suggested name | Helas Si |
| Planet type | Huge cold gas giant |
| The ethane has probably photodissociated, and the free oxygen has been swept into interplanetary space by the solar wind because of the lack of a ozone layer. |
| Atmosphere | Oxygen | 85% |
| Hydrogen peroxide | 8.1% |
| Ethane | 6% |
| Ozone | 0.13% |
| Water vapor | 0.11% |
| Sulfur dioxide | 0.045% |
| Hydrogen chloride | 0.013% |
| Methane | 1.0E-6% |
| Atmospheric pressure | 0.001 bar |
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| Moon | Chomemip'thabos | Large irregular gaseous planetoid |
| Episaxa Theethea | Medium-sized irregular oceanic asteroid |
| Kedepro Galasiar | Large round crater-filled moon |
| Panus'te | Medium-sized round rocky moon |
| Getedus-mas | Medium-sized round crater-filled moon |
| Aitoneka Be | Huge almost round rocky moon |
| Corhionn Haorix | Very small slightly egg-shaped gaseous moon |
| Garet Lene | Large potato shaped ice moon |
| Euti | Huge slightly egg-shaped crater-filled asteroid |
| Farpoly Jahario | Very small almost round crater-filled asteroid |
| Paper'sur | Small slightly egg-shaped gaseous comet |
| Hycres'des | Medium-sized almost round rocky moon |
| Liaculo | Small round ice comet |
| Calturpe | Medium-sized irregular oceanic asteroid |
| Vilasro | Huge slightly egg-shaped ice planetoid |
| Ladelia-orix | Medium-sized almost round oceanic comet |
| Phaë-thea | Very small round rocky planetoid |
| Bepan | Huge almost round rocky asteroid |
| Thelmathe | Huge slightly egg-shaped ice moon |
| Aobauti | Small irregular ice moon |
| Pefari Dita | Small round oceanic planetoid |
| Liliake Mona | Very small potato shaped ice moon |
| Porienoe'al | Large slightly egg-shaped rocky asteroid |
| Google search for Helas si |