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Space Astro
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Info for exoplanet "Xang"
| Scientific (actual) data |
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| Name | K2-249 Ab |
| Planet status | Confirmed |
| Radius | 0.249 |
| Orbital period | 12.409 |
| Semi major axis | 0.1151 |
| Discovered | 2018 |
| Updated | 2025-09-04 |
| Tconj | 2457580 |
| Impact parameter | 0.41 |
| Temperature (kelvin) | 1061 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Alternate names | 2MASS J12132801-0859425 b, EPIC 228748383 b, EPIC 228748383.01, TYC 5519-433-1 b, WISE J121328.01-085942.7 b |
| Star name | K2-249 A |
| Right ascension | 183.37° |
| Declination | -9° |
| Mag j | 11.27 |
| Mag h | 10.945 |
| Star distance | 528.3 |
| Star metallicity | 0.04 |
| Star mass | 1.32 |
| Star radius | 1.57 |
| Star sp type | F5IV-V |
| Star temperature | 6504 |
| Star alternate names | 2MASS J12132801-0859425, EPIC 228748383, TYC 5519-433-1, WISE J121328.01-085942.7 |
| Wikipedia article | K2-249 Ab |
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| Fictional info (?) |
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| Suggested name | Xang |
| Planet type | Warm planet |
| The two polar ice caps appear to be made largely of sand. |
| Atmosphere | Sulfur dioxide | 49% |
| Xenon | 43% |
| Hydrogen deuteride (HD) | 6.8% |
| Ozone | 0.36% |
| Helium | 0.14% |
| 2H2O | 0.13% |
| Ammonium hydrosulfide (NH4SH) | 0.0063% |
| Atmospheric pressure | 7 bar |
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| Moon | Xoukya | Very small irregular ice asteroid |
| Syor-oudou Dei | Large potato shaped rocky moon |
| Yueg | Very small slightly egg-shaped crater-filled moon |
| Kyuanhyue Shoup | Very small almost round rocky moon |
| Ouxeng-wwap | Huge almost round ice planetoid |
| Qyok Yah | Small round gaseous comet |
| Google search for Xang |
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Website by Joachim Michaelis
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