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Space Astro
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Info for exoplanet "Keke"
| Scientific (actual) data |
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| Name | K2-397 b |
| Planet status | Confirmed |
| Planet mass | 0.02121 |
| Radius | 0.21563 |
| Orbital period | 3.57233 |
| Semi major axis | 0.0447 |
| Discovered | 2022 |
| Updated | 2024-06-12 |
| Tzero tr | 2457820 |
| Impact parameter | 0.892 |
| K | 2.94 |
| Temperature (kelvin) | 1210 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Theoretical |
| Radius measurement type | Primary Transit |
| Star name | K2-397 |
| Right ascension | 79.95° |
| Declination | 21.26° |
| Mag v | 11.833 |
| Mag j | 10.4 |
| Mag h | 10.03 |
| Mag k | 9.95 |
| Star distance | 199.354 |
| Star metallicity | 0.11 |
| Star mass | 0.937 |
| Star radius | 0.966 |
| Star sp type | G7V |
| Star temperature | 5387 |
| Star alternate names | EPIC 247383003 |
| Wikipedia article | K2-397 b |
Back
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| Fictional info (?) |
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| Suggested name | Keke |
| Planet type | Small hot gas planet |
| As seen relative to the fixed stars, it rotates on its axis exactly two times for every four revolutions it makes around K2-397. |
| Atmosphere | Water vapor | 34% |
| Ethane | 25% |
| Carbonyl sulfide | 18% |
| Ozone | 18% |
| Hydrogen peroxide | 4.3% |
| Carbon monoxide | 0.12% |
| Krypton | 0.039% |
| Helium | 0.0054% |
| Atmospheric pressure | 0.4 bar |
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| No known satellites |
| Google search for Keke |
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Website by Joachim Michaelis
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