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Space Astro
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Info for exoplanet "Hyun-ro"
| Scientific (actual) data |
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| Name | Kepler-57 c |
| Planet status | Confirmed |
| Planet mass | 0.0233 |
| Radius | 0.15 |
| Orbital period | 11.6093 |
| Discovered | 2012 |
| Updated | 2023-01-17 |
| Tconj | 2454970 |
| Tzero tr | 2454970 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | TTV |
| Radius measurement type | Primary Transit |
| Alternate names | KOI-1270 c, 2MASS J19343390+4439253 c, K01270.02, KIC 8564587 c, KOI-1270 c, KOI-1270.02, WISE J193433.91+443925.4 c |
| Star name | Kepler-57 |
| Right ascension | 293.64° |
| Declination | 44.66° |
| Mag v | 15.5 |
| Mag j | 13.437 |
| Mag h | 13.022 |
| Star distance | 656.23 |
| Star metallicity | -0.04 |
| Star mass | 0.83 |
| Star radius | 0.73 |
| Star temperature | 5145 |
| Star alternate names | KOI-1270, KIC 8564587, 2MASS 19343390+4439253, 2MASS J19343390+4439253, WISE J193433.91+443925.4 |
| Wikipedia article | Kepler-57 c |
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| Fictional info (?) |
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| Suggested name | Hyun-ro |
| Planet type | Small cold gas 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 85°K (-188°C) at night to 1120°K (847°C) during the day across the equatorial regions.
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 | 2H2O | 31% |
| Helium | 19% |
| Ethane | 16% |
| Carbon monoxide | 12% |
| Argon | 11% |
| Formaldehyde | 7.5% |
| Oxygen | 1.5% |
| Hydrogen deuteride (HD) | 0.83% |
| Hydrogen chloride | 0.0026% |
| Methane | 0.0021% |
| Ammonium hydrosulfide (NH4SH) | 2.0E-6% |
| Atmospheric pressure | 90 bar |
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| No known satellites |
| Google search for Hyun-ro |
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Website by Joachim Michaelis
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