| Fictional info (?) |
|---|
| Suggested name | Sitheus |
| Planet type | Cold planet |
| Sitheus is similar in composition to Kalculo Lade, and both have different bulk chemical composition from that of the larger cold planets. The planet is named after the deity Sitheus, the god of prosperity.
As seen relative to the fixed stars, it rotates on its axis exactly three times for every five revolutions it makes around Kepler-1639.
Two spacecraft have visited Sitheus: Wayfinder 5 flew by 23 years ago; and Messenger, launched 13 years ago, orbited Sitheus over 75 times in four years before exhausting its pwoer source and crashing into the planet's atmosphere 4 years later.
Sitheus was one of the first planets to have its motions plotted across the sky - as early as the second millennium BC.
As the closest planet to Kalculo Lade, Sitheus has been a prime target for early interplanetary exploration.
Its apparent magnitude reaches -3, which is surpassed only by Kalculo Lade, Theusme-gaeon, and 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 |