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Space Astro
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Info for exoplanet "Rionidras"
| Scientific (actual) data |
| Name | Kepler-990 b |
| Planet status | Confirmed |
| Radius | 0.2543 |
| Orbital period | 9.91724 |
| Semi major axis | 0.0883 |
| Orbit eccentricity | 0 |
| Inclination | 87.06 |
| Discovered | 2016 |
| Updated | 2025-09-09 |
| Tconj | 2454970 |
| Impact parameter | 0.786 |
| Temperature (kelvin) | 903 |
| Publication | Announced on a website |
| Detection type | Primary Transit |
| Radius measurement type | Primary Transit |
| Alternate names | 2MASS J19514517+4652530 b, K01875.01, KIC 9967771 b, KOI-1875 b, KOI-1875.01, WISE J195145.17+465252.7 b |
| Star name | Kepler-990 |
| Right ascension | 297.94° |
| Declination | 46.88° |
| Mag j | 13.362 |
| Mag h | 13.031 |
| Mag k | 12.928 |
| Star distance | 802.163 |
| Star metallicity | -0.205 |
| Star mass | 0.97 |
| Star radius | 1.031 |
| Star sp type | G5V |
| Star age | 3.55 |
| Star temperature | 5521.54 |
| Star alternate names | 2MASS J19514517+4652530, KIC 9967771, KOI-1875, WISE J195145.17+465252.7 |
| Wikipedia article | Kepler-990 b |
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| Fictional info (?) |
| Suggested name | Rionidras |
| Planet type | Warm planet |
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| Estimated population | 300000000 |
| Atmosphere | Methane | 69% |
| Oxygen | 30% |
| Carbon dioxide | 0.05% |
| Water | 0.018% |
| Atmospheric pressure | 70 bar |
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| No known satellites |
| Google search for Rionidras |
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Website by Joachim Michaelis
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