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Space Astro
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Info for exoplanet "Rirrion"
| Scientific (actual) data |
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| Name | TOI-402 Ac |
| Planet status | Confirmed |
| Planet mass | 0.02136 |
| Radius | 0.22536 |
| Orbital period | 17.1805 |
| Semi major axis | 0.1235 |
| Orbit eccentricity | 0.096 |
| Inclination | 88.41 |
| Discovered | 2019 |
| Updated | 2025-02-11 |
| Omega | 56.63 |
| Tzero tr | 2458410 |
| Impact parameter | 0.876 |
| K | 1.9 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Radial Velocity |
| Radius measurement type | Primary Transit |
| Star name | TOI-402 A |
| Right ascension | 36.87° |
| Declination | -27.64° |
| Mag v | 9.1 |
| Star distance | 44.86 |
| Star metallicity | 0.03 |
| Star mass | 0.851 |
| Star radius | 0.839 |
| Star sp type | K0V |
| Star age | 7.5 |
| Star temperature | 5131 |
| Star alternate names | HD 15337, HD 15337 A |
| Wikipedia article | TOI-402 Ac |
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| Fictional info (?) |
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| Suggested name | Rirrion |
| Planet type | Terrestrial |
| It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on.
The nice surface is mostly known for its friendly but shy poisonous herbivores known as "Teamone". They survive in deep valleys by eating anything they find. Most of them are closely related to Girspon Mede but have 5 eyes and vary in length from 40 to 90 cm. They are known to withstand temperatures from 80 to 140°C and the high radiation level which is rare on this planet. |
| Estimated population | 5000000 |
| Atmosphere | Water | 85% |
| Methane | 7.7% |
| Carbon dioxide | 6.8% |
| Oxygen | 0.0031% |
| Atmospheric pressure | 27 bar |
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| No known satellites |
| Google search for Rirrion |
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Website by Joachim Michaelis
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