| Fictional info (?) |
| Suggested name | Sitheus |
| Planet type | Cold planet |
| As seen relative to the fixed stars, it rotates on its axis exactly three times for every five revolutions it makes around Kepler-1639.
Its north and south poles, therefore, lie where most other planets have their equators. |
| Atmosphere | Nitrogen | 53% |
| Ammonium hydrosulfide (NH4SH) | 20% |
| Ethane | 15% |
| Oxygen | 11% |
| Carbonyl sulfide | 1.0E-5% |
| Atmospheric pressure | 0.29 bar |
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| Moon | Carno'koiomis De | Large round rocky moon |
| Keara Arir | Medium-sized round ice moon |
| Epika-jul | Small almost round rocky comet |
| Pepros Paa | Very small round oceanic comet |
| Pinamir-dome | Large slightly egg-shaped crater-filled comet |
| Sieban Arum Aeso | Medium-sized almost round rocky asteroid |
| Greip-medeia | Large round oceanic asteroid |
| Chacar | Large round rocky asteroid |
| Obelene | Small round crater-filled planetoid |
| Apus Ban | Small almost round rocky moon |
| Andadus | Large round gaseous moon |
| Genaqthi-gaeon | Huge irregular ice comet |
| Saxanome'hyauto | Small almost round rocky moon |
| Iakatay Pho | Small round gaseous moon |
| Peroche-de | Huge irregular rocky moon |
| Mone-nix | Large round ice moon |
| Kemip Tusa | Large potato shaped oceanic moon |
| Late Pan | Small round rocky moon |
| Merimip | Small slightly egg-shaped rocky moon |
| Japro'pholassa | Medium-sized round gaseous asteroid |
| Naqcres | Huge round crater-filled moon |
| Mede Stemone En | Small slightly egg-shaped oceanic moon |
| Liaio Sieloge | Huge slightly egg-shaped rocky asteroid |
| Thexi | Large irregular crater-filled comet |
| Roiaka-hiro | Small round rocky asteroid |
| Naiadme | Huge round rocky asteroid |
| Skapor | Small almost round oceanic planetoid |
| Ferte Gel | Huge almost round oceanic moon |
| Epiras Te | Very small potato shaped ice moon |
| Listhone | Small irregular ice moon |
| Saopan | Small round rocky moon |
| Nand Tea | Large irregular crater-filled asteroid |
| Sponforn Topaa | Large round ice moon |
| Nisse Thifari | Large slightly egg-shaped crater-filled moon |
| Tithe Iothys | Medium-sized round gaseous moon |
| Sieer-thocu Pros | Huge irregular rocky moon |
| Lythrymr Puck Lassa | Huge irregular rocky asteroid |
| Cagetege Lenedi | Medium-sized potato shaped gaseous comet |
| Lylao Sipa-deuces | Large round oceanic asteroid |
| Gelcorly'cylforn | Large irregular crater-filled planetoid |
| Beia Mir | Large almost round ice moon |
| Leneculo | Large almost round gaseous comet |
| Selinddil Ioton | Large potato shaped ice asteroid |
| Tanpalhali | Small slightly egg-shaped ice planetoid |
| Heda Thea-ca | Small potato shaped ice moon |
| Lysi Bemab | Small potato shaped crater-filled moon |
| Denece'tan | Large almost round rocky asteroid |
| Google search for Sitheus |