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Space Astro
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Info for exoplanet "Theche Per"
| Scientific (actual) data |
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| Name | HD 87646 Ac |
| Planet status | Confirmed |
| Mass sini | 57 |
| Orbital period | 674 |
| Semi major axis | 1.58 |
| Orbit eccentricity | 0.5 |
| Discovered | 2016 |
| Updated | 2025-02-11 |
| K | 1370 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass measurement type | Radial Velocity |
| Star name | HD 87646 A |
| Right ascension | 151.67° |
| Declination | 17.9° |
| Mag v | 8 |
| Star distance | 92.44 |
| Star metallicity | -0.17 |
| Star mass | 1.12 |
| Star radius | 1.55 |
| Star sp type | G1IV |
| Star temperature | 5770 |
| Star alternate names | MARVELS-7 |
| Wikipedia article | HD 87646 Ac |
Back
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| Fictional info (?) |
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| Suggested name | Theche Per |
| Planet type | Cold planet |
| It may have had ammonia oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect. |
| Atmosphere | Ozone | 87% |
| Argon | 8.2% |
| Ammonia | 2.7% |
| Nitric oxide | 1% |
| Water vapor | 0.33% |
| Xenon | 0.0015% |
| Atmospheric pressure | 0.0018 bar |
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| No known satellites |
| Google search for Theche per |
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Website by Joachim Michaelis
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