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Space Astro
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Info for exoplanet "Jiriu'wo"
Scientific (actual) data |
Planet | K2-265 b |
Planet status | Confirmed |
Planet mass | 0.02058 |
Radius | 0.153 |
Orbital period | 2.36917 |
Semi major axis | 0.03376 |
Orbit eccentricity | 0.084 |
Inclination | 87.7 |
Discovered | 2018 |
Updated | 2021-02-05 |
Tconj | 2456980 |
Tzero tr | 2456980 |
Impact parameter | 0.3 |
K | 3.34 |
Publication | Published in a refereed paper |
Detection type | Primary Transit |
Mass detection type | Radial Velocity |
Radius detection type | Primary Transit |
Alternate names | 2MASS J22480755-1429407 b, EPIC 206011496 b, EPIC 206011496.01, TYC 5818-486-1 b, WISE J224807.58-142941.1 b |
Star name | K2-265 |
Right ascension | 342.03° |
Declination | -14.49° |
Mag v | 11.1 |
Mag j | 9.726 |
Mag h | 9.312 |
Star distance | 139.22 |
Star metallicity | 0.078 |
Star mass | 0.92 |
Star radius | 0.98 |
Star sp type | G8 V |
Star age | 9.7 |
Star temperature | 5477 |
Star alternate names | 2MASS J22480755-1429407, EPIC 206011496, TYC 5818-486-1, WISE J224807.58-142941.1 |
Wikipedia article | K2-265 b |
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Fictional info (?) |
Suggested name | Jiriu'wo |
Planet type | Small hot gas planet |
Jiriu'wo is the oldest planet known belonging to K2-265 and one of the largest in its solar system. When viewed from Shigoya, Jiriu'wo can reach an apparent magnitude of -3, bright enough for its reflected light to cast shadows, and making it on average the third-brightest object in the night sky. This planet is named after the deity Jiriu'wo, the bringer of the sky.
The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to K2-265, which reoccurs over the so-called synodic period approximately every 58 days.
Jiriu'wo has been explored on several occasions by robotic spacecraft, most notably during the early Pioneer and Wayfinder flyby missions and later by the Isaac orbiter. In late February 2400, Jiriu'wo was visited by the New Horizons probe, which used Jiriu'wo's gravity to increase its speed and bend its trajectory en route to Shigoya. The latest probe to visit the planet is Pioneer, which entered into orbit around Jiriu'wo after a very expensive voyage. |
Atmosphere | Hydrogen chloride | 90% |
Nitric oxide | 5.1% |
Hydrogen peroxide | 4.4% |
Carbon dioxide | 4.0E-5% |
Atmospheric pressure | 2.7 bar |
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No known satellites |
Google search for Jiriu'wo |
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Website by Joachim Michaelis
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