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Space Astro
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Info for exoplanet "Ryukyu Ba"
| Scientific (actual) data |
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| Name | SigOri-MAD-31 |
| Planet status | Confirmed |
| Planet mass | 7 |
| Discovered | 2009 |
| Updated | 2025-09-02 |
| Publication | Published in a refereed paper |
| Detection type | Imaging |
| Mass measurement type | Spectrum |
| Alternate names | [BHM2009] SigOri-MAD-31 |
| Right ascension | 84.5° |
| Declination | -2.6° |
| Star distance | 440 |
| Wikipedia article | SigOri-MAD-31 |
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| Fictional info (?) |
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| Suggested name | Ryukyu Ba |
| Planet type | Large cold gas giant |
| It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 70°K (-203°C), and has a complex, layered cloud structure with oxygen thought to make up the lowest clouds, and argon the uppermost layer of clouds. |
| Atmosphere | Argon | 46% |
| Oxygen | 38% |
| Carbon dioxide | 15% |
| Nitrogen | 0.3% |
| Hydrogen deuteride (HD) | 0.19% |
| Neon | 0% |
| Atmospheric pressure | 80 bar |
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| No known satellites |
| Google search for Ryukyu ba |
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Website by Joachim Michaelis
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