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Space Astro
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Info for exoplanet "Zekada-ishi"
Scientific (actual) data |
Planet | Kepler-1117 b |
Planet status | Confirmed |
Radius | 0.099 |
Orbital period | 4.79028 |
Discovered | 2016 |
Updated | 2021-02-05 |
Tconj | 2454970 |
Publication | Announced on a website |
Detection type | Primary Transit |
Alternate names | 2MASS J19282034+4914149 b, K02143.01, KIC 11403339 b, KOI-2143 b, KOI-2143.01, WISE J192820.34+491414.8 b |
Star name | Kepler-1117 |
Right ascension | 292.09° |
Declination | 49.24° |
Mag j | 12.867 |
Mag h | 12.512 |
Mag k | 12.463 |
Star distance | 619 |
Star metallicity | 0.03 |
Star mass | 0.95 |
Star radius | 0.93 |
Star age | 4.27 |
Star temperature | 5612 |
Star alternate names | 2MASS J19282034+4914149, KIC 11403339, KOI-2143, WISE J192820.34+491414.8 |
Wikipedia article | Kepler-1117 b |
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Fictional info (?) |
Suggested name | Zekada-ishi |
Planet type | Cold planet |
It is named after the deity Zekada-ishi, the messenger of love and beauty.
Two spacecraft have visited Zekada-ishi: Wayfinder 9 flew by 26 years ago; and Messenger, launched 12 years ago, orbited Zekada-ishi over 55 times in four years before exhausting its reactor and crashing into the planet's surface 10 years later.
It has the densest atmosphere of the two cold planets, consisting mostly of molecular hydrogen. Zekada-ishi is shrouded by an opaque layer of highly reflective clouds of sulfuric acid, preventing its surface from being seen from space in visible light.
Zekada-ishi's thick clouds make observation of its surface challenging in visible light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 20 years ago.
Liquid water cannot exist on the surface of Zekada-ishi due to low atmospheric pressure, which is less than 5 percent of Earth's, except at the lowest elevations for short periods. The two polar ice caps appear to be made largely of sand. |
Atmosphere | Molecular hydrogen | 89% |
Ozone | 4.2% |
Hydrogen | 3.1% |
Formaldehyde | 2.1% |
Carbon dioxide | 0.57% |
Ethane | 0.52% |
Atmospheric pressure | 30 bar |
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No known satellites |
Google search for Zekada-ishi |
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Website by Joachim Michaelis
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