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Space Astro
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Info for exoplanet "Hyokyu"
| Scientific (actual) data |
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| Planet | Kepler-346 b |
| Planet status | Confirmed |
| Radius | 0.237 |
| Orbital period | 6.51113 |
| Semi major axis | 0.071 |
| Discovered | 2014 |
| Updated | 2021-02-05 |
| Tconj | 2454960 |
| Impact parameter | 0.32 |
| Publication | Announced on a website |
| Detection type | Primary Transit |
| Alternate names | 2MASS J19120285+4607033 b, K01978.01, KIC 9518318 b, KOI-1978 b, KOI-1978.01, WISE J191202.86+460703.3 b |
| Star name | Kepler-346 |
| Right ascension | 288.01° |
| Declination | 46.12° |
| Mag j | 13.968 |
| Mag h | 13.611 |
| Mag k | 13.582 |
| Star distance | 1012.42 |
| Star metallicity | -0.031 |
| Star mass | 0.97 |
| Star radius | 1.02 |
| Star temperature | 6033 |
| Star alternate names | 2MASS J19120285+4607033, KIC 9518318, KOI-1978, WISE J191202.86+460703.3 |
| Wikipedia article | Kepler-346 b |
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| Fictional info (?) |
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| Suggested name | Hyokyu |
| Planet type | Hot planet |
| Hyokyu's atmosphere is similar to Dafuhe Bu's in its primary composition of nitrogen and helium, but it contains more "ices" such as water, ammonia, and methane, along with traces of other hydrocarbons. The planet is named after the deity Hyokyu, the god of dreams.
Hyokyu's surface appears extremely bruised and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years.
The hydrogen deuteride (HD) has probably photodissociated, and the free nitrogen has been swept into interplanetary space by the solar wind because of the lack of a planetary magnetic field.
It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on.
In November 1500, NASA reported finding a large amount of underground ice in the Utopia Planitia region of Hyokyu.
Wind speeds can reach 90 metres per second. |
| Atmosphere | Nitrogen | 53% |
| Helium | 39% |
| Hydrogen deuteride (HD) | 2.8% |
| Carbonyl sulfide | 2.7% |
| Nitric oxide | 1.1% |
| Water vapor | 0.55% |
| Formaldehyde | 0.19% |
| Argon | 0.15% |
| Carbon monoxide | 0.11% |
| Ethane | 0.0063% |
| Atmospheric pressure | 1.3 bar |
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| No known satellites |
| Google search for Hyokyu |
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Website by Joachim Michaelis
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