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Space Astro
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Info for exoplanet "Youn"
| Scientific (actual) data |
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| Planet | K2-138 e |
| Planet status | Confirmed |
| Planet mass | 0.0409 |
| Radius | 0.294 |
| Orbital period | 8.26144 |
| Semi major axis | 0.07807 |
| Orbit eccentricity | 0.315 |
| Inclination | 88.7 |
| Discovered | 2017 |
| Updated | 2021-03-26 |
| Omega | 180 |
| Tconj | 2457740 |
| Tzero tr | 2457740 |
| Impact parameter | 0.44 |
| K | 4.31 |
| Temperature (kelvin) | 861 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass detection type | Spectrum |
| Radius detection type | Primary Transit |
| Alternate names | 2MASS J23154776-1050590 e, EPIC 245950175 e, WISE J231547.76-105059.0 e |
| Star name | K2-138 |
| Right ascension | 348.95° |
| Declination | -10.85° |
| Mag v | 12.21 |
| Mag j | 10.756 |
| Mag h | 10.384 |
| Star distance | 183 |
| Star metallicity | 0.16 |
| Star mass | 0.93 |
| Star radius | 0.86 |
| Star sp type | K1 V |
| Star temperature | 5378 |
| Star alternate names | EPIC 245950175, 2MASS J23154776-1050590, WISE J231547.76-105059.0 |
| Wikipedia article | K2-138 e |
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| Fictional info (?) |
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| Suggested name | Youn |
| Planet type | Small warm gas planet |
| This planet is named after the deity Youn, the god of fear.
Youn's surface appears very rippled and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years. |
| Atmosphere | Hydrogen deuteride (HD) | 49% |
| Carbonyl sulfide | 23% |
| Carbon monoxide | 13% |
| Hydrogen | 12% |
| Methane | 2.2% |
| Water vapor | 0.00074% |
| Atmospheric pressure | 10 bar |
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| Moon | Waqo Kou | Huge round gaseous planetoid |
| Shai Dand Yan | Large slightly egg-shaped oceanic moon |
| Yinghyun-p | Huge round rocky moon |
| Agyou Sesh Wai | Huge slightly egg-shaped ice comet |
| Yehwobyao Byao | Large slightly egg-shaped ice asteroid |
| Zheig'engkyin | Very small round rocky planetoid |
| Yaodyou | Medium-sized almost round oceanic asteroid |
| Google search for Youn |
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Website by Joachim Michaelis
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