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Space Astro
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Info for exoplanet "Thone"
| Scientific (actual) data |
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| Name | 81 Cet b |
| Planet status | Confirmed |
| Mass sini | 5.3 |
| Orbital period | 952.7 |
| Semi major axis | 2.5 |
| Orbit eccentricity | 0.206 |
| Angular distance | 0.02572 |
| Discovered | 2008 |
| Updated | 2014-08-27 |
| Omega | 175 |
| Tperi | 2452490 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Star name | 81 Cet |
| Right ascension | 39.43° |
| Declination | -3.4° |
| Mag v | 5.65 |
| Mag j | 3.94 |
| Mag h | 3.38 |
| Mag k | 3.27 |
| Star distance | 97.2 |
| Star metallicity | -0.06 |
| Star mass | 2.4 |
| Star radius | 11 |
| Star sp type | G5III |
| Wikipedia article | 81 Cet b |
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| Fictional info (?) |
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| Suggested name | Thone |
| Planet type | Cold planet |
| The polar regions are constantly below 279°K (6°C).
The volume of water detected has been estimated to be equivalent to the volume of water in the Black Sea.
Its north and south poles, therefore, lie where most other planets have their equators. |
| Atmosphere | Xenon | 74% |
| Ammonium hydrosulfide (NH4SH) | 19% |
| Molecular hydrogen | 3.5% |
| Ozone | 1.7% |
| Krypton | 1.3% |
| Nitric oxide | 0.016% |
| Helium | 0.00058% |
| Nitrogen | 1.7E-5% |
| Atmospheric pressure | 13 bar |
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| No known satellites |
| Google search for Thone |
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Website by Joachim Michaelis
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