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Space Astro
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Info for exoplanet "Weng"
| Scientific (actual) data |
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| Name | K2-21 b |
| Planet status | Confirmed |
| Planet mass | 0.00623 |
| Radius | 0.164 |
| Orbital period | 9.00315 |
| Semi major axis | 0.076 |
| Orbit eccentricity | 0.1 |
| Inclination | 88.66 |
| Discovered | 2015 |
| Updated | 2023-05-22 |
| Omega | 34.48 |
| Tconj | 2456990 |
| Tzero tr | 2456990 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | TTV |
| Radius measurement type | Primary Transit |
| Alternate names | 2MASS J22411288-1429202 b, EPIC 206011691 b, EPIC 206011691.01, WISE J224112.90-142921.1 b |
| Star name | K2-21 |
| Right ascension | 340.3° |
| Declination | -14.49° |
| Mag v | 12.85 |
| Mag j | 10.251 |
| Mag h | 9.633 |
| Mag k | 9.4 |
| Star distance | 83.85 |
| Star metallicity | -0.11 |
| Star mass | 0.68 |
| Star radius | 0.65 |
| Star sp type | M0.0 |
| Star temperature | 4222.06 |
| Star alternate names | 2MASS 22411288-1429202, 2MASS J22411288-1429202, EPIC 206011691, WISE J224112.90-142921.1 |
| Wikipedia article | K2-21 b |
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| Fictional info (?) |
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| Suggested name | Weng |
| Planet type | Warm planet |
| Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 135°K (-138°C) at night to 350°K (77°C) during the day across the equatorial regions. |
| Atmosphere | Nitrogen | 92% |
| Ethane | 5.8% |
| Krypton | 1.9% |
| Carbon dioxide | 0.25% |
| Atmospheric pressure | 0.016 bar |
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| No known satellites |
| Google search for Weng |
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Website by Joachim Michaelis
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