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Space Astro
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Info for exoplanet "Yechyu"
| Scientific (actual) data |
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| Name | Kepler-287 b |
| Planet status | Confirmed |
| Radius | 0.208 |
| Orbital period | 20.3422 |
| Semi major axis | 0.145 |
| Discovered | 2014 |
| Updated | 2021-02-05 |
| Tconj | 2454970 |
| Impact parameter | 0.24 |
| Publication | Announced on a website |
| Detection type | Primary Transit |
| Alternate names | 2MASS J19234258+4826367 b, K01307.02, KIC 10973814 b, KOI-1307 b, KOI-1307.02, WISE J192342.58+482636.5 b |
| Star name | Kepler-287 |
| Right ascension | 290.93° |
| Declination | 48.44° |
| Mag j | 13.542 |
| Mag h | 13.201 |
| Mag k | 13.135 |
| Star distance | 856.33 |
| Star metallicity | -0.077 |
| Star radius | 1.03 |
| Star sp type | K7 V |
| Star temperature | 5806 |
| Star alternate names | 2MASS J19234258+4826367, KIC 10973814, KOI-1307, WISE J192342.58+482636.5 |
| Wikipedia article | Kepler-287 b |
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| Fictional info (?) |
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| Yechyu |
| Terrestrial |
| 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 125°K (-148°C) at night to 560°K (287°C) during the day across the equatorial regions.
The smooth Borealis basin in the northern hemisphere covers 23 percent of the planet and may be a giant impact feature.
Because of its rapid rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).
The largest moon is crowded with small earth-like herbivores known as "Woyyuan". They feed only while eating something called Qeng Wob. They are similar to the Aocye Zhwang but have 2 tentacles and vary in length from 50 to 80 cm. Woyyuan can survive temperatures from 30 to 90°C and sometimes the acidic environment which is rare on this planet. |
| 400000 |
| Atmosphere | Carbon dioxide | 48% |
| Methane | 37% |
| Oxygen | 12% |
| Water | 2.3% |
| 0.022 bar |
| 0 × Earth |
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| Moon | Youxyangt | Medium-sized almost round rocky asteroid |
| Google search for Yechyu |
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Website by Joachim Michaelis
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