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Space Astro
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Info for exoplanet "Deuces"
| Scientific (actual) data |
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| Planet | K2-280 b |
| Planet status | Confirmed |
| Planet mass | 0.1167 |
| Radius | 0.684 |
| Orbital period | 19.8952 |
| Semi major axis | 0.1488 |
| Orbit eccentricity | 0.35 |
| Inclination | 89.4 |
| Discovered | 2018 |
| Updated | 2021-02-05 |
| Omega | 246.77 |
| Tperi | 2457320 |
| Tconj | 2457330 |
| Tzero tr | 2457310 |
| Impact parameter | 0.45 |
| K | 9.18 |
| Temperature (kelvin) | 744 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass detection type | Radial Velocity |
| Radius detection type | Primary Transit |
| Alternate names | 2MASS J19262288-2214514 b, EPIC 216494238 b, EPIC 216494238.01, WISE J192622.88-221451.6 b |
| Star name | K2-280 |
| Right ascension | 291.6° |
| Declination | -22.25° |
| Mag v | 12.5 |
| Mag j | 11.141 |
| Mag h | 10.854 |
| Star distance | 396.9 |
| Star metallicity | 0.3 |
| Star mass | 1.11 |
| Star radius | 1.28 |
| Star age | 8.96 |
| Star temperature | 5742 |
| Star alternate names | 2MASS J19262288-2214514, EPIC 216494238, WISE J192622.88-221451.6 |
| Wikipedia article | K2-280 b |
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| Fictional info (?) |
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| Suggested name | Deuces |
| Planet type | Small gas planet |
| For this reason, scientists often classify Deuces and Faririon as "small gas planets" to distinguish them from the other planets. This planet is named after the deity Deuces, the demon of chaos.
Deuces is gravitationally locked with K2-280 in a 4:3 spin-orbit resonance, and rotates in a way that is unique in its solar system. An observer on Deuces would therefore see only one summer every three years.
Deuces is the site of Celestium Montanus, the tallest volcano and second-highest known mountain in its solar system, and of Valles Marineris, one of the largest canyons in its solar system. |
| Atmosphere | Ethane | 60% |
| Sulfur dioxide | 17% |
| Water vapor | 12% |
| Neon | 3.8% |
| Helium | 2.7% |
| Hydrogen deuteride (HD) | 2.1% |
| Hydrogen | 2% |
| Ozone | 0.0031% |
| Atmospheric pressure | 4 bar |
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| No known satellites |
| Google search for Deuces |
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Website by Joachim Michaelis
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