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Space Astro
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Info for exoplanet "Ryono"
| Scientific (actual) data |
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| Name | 2MASS J1534-2952 |
| Planet status | Confirmed |
| Planet mass | 30.1 |
| Discovered | 2008 |
| Updated | 2024-06-29 |
| Publication | Published in a refereed paper |
| Detection type | Imaging |
| Mass measurement type | Astrometry |
| Alternate names | 2MASS J15344984-2952274 |
| Right ascension | 233.71° |
| Declination | -29.87° |
| Star distance | 15.9 |
| Wikipedia article | 2MASS J1534-2952 |
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| Fictional info (?) |
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| Suggested name | Ryono |
| Planet type | Huge cold gas giant |
| When viewed from Earth, this proximity to @STARNAME means the planet can only be seen near the western or eastern horizon during the early evening or early morning.
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 50°K (-223°C) at night to 735°K (462°C) during the day across the equatorial regions. |
| Atmosphere | Hydrogen peroxide | 61% |
| 2H2O | 38% |
| Ethane | 0.26% |
| Krypton | 0.00078% |
| Hydrogen deuteride (HD) | 0.0001% |
| Ammonium hydrosulfide (NH4SH) | 1.0E-6% |
| Atmospheric pressure | 0.14 bar |
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| Moon | Zesho Bya | Large slightly egg-shaped rocky asteroid |
| Google search for Ryono |
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Website by Joachim Michaelis
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