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Space Astro
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Info for exoplanet "Eihwa"
| Scientific (actual) data |
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| Name | K2-237 Ab |
| Planet status | Confirmed |
| Planet mass | 1.236 |
| Radius | 1.642 |
| Orbital period | 2.18056 |
| Semi major axis | 0.0353 |
| Orbit eccentricity | 0 |
| Inclination | 84.6 |
| Discovered | 2018 |
| Updated | 2025-09-04 |
| Omega | 90 |
| Tconj | 2457660 |
| Tzero tr | 2457680 |
| Impact parameter | 0.52 |
| K | 167.9 |
| Temperature (kelvin) | 1838 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Radial Velocity |
| Radius measurement type | Primary Transit |
| Alternate names | EPIC 229426032 b, WISE J165504.52-284238.0 b, TOI-1049.01, 2MASS J16550453-2842380 b |
| Star name | K2-237 A |
| Right ascension | 253.77° |
| Declination | -28.71° |
| Mag v | 11.6 |
| Mag j | 10.508 |
| Mag h | 10.268 |
| Star distance | 315 |
| Star metallicity | 0.337 |
| Star mass | 1.256 |
| Star radius | 1.236 |
| Star sp type | F8V |
| Star age | 1.09 |
| Star temperature | 6180 |
| Star alternate names | EPIC 229426032, 2MASS J16550453-2842380, WISE J165504.52-284238.0, TOI-1049 |
| Wikipedia article | K2-237 Ab |
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| Fictional info (?) |
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| Suggested name | Eihwa |
| Planet type | Hot gas giant |
| The ammonia has probably photodissociated, and the free ozone has been swept into interplanetary space by the solar wind because of the lack of a planetary magnetic field. |
| Atmosphere | Ozone | 64% |
| Hydrogen | 29% |
| Ammonia | 3.1% |
| Formaldehyde | 1.5% |
| Hydrogen peroxide | 0.86% |
| Hydrogen deuteride (HD) | 0.7% |
| Carbonyl sulfide | 0.53% |
| Atmospheric pressure | 0.014 bar |
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| No known satellites |
| Google search for Eihwa |
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Website by Joachim Michaelis
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