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Space Astro
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Info for exoplanet "Hyokyu"
| Scientific (actual) data |
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| Name | 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 |
| 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.
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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