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Space Astro
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Info for exoplanet "Pepyong"
| Scientific (actual) data |
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| Name | HIP 111909 b |
| Planet status | Confirmed |
| Mass sini | 1.21 |
| Orbital period | 487.08 |
| Semi major axis | 1.32 |
| Discovered | 2025 |
| Updated | 2025-09-03 |
| K | 25.57 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass measurement type | Radial Velocity |
| Star name | HIP 111909 |
| Right ascension | 340.03° |
| Declination | -49.6° |
| Mag v | 7.37 |
| Star distance | 88 |
| Star metallicity | -0.01 |
| Star mass | 1.28 |
| Star radius | 4.53 |
| Star sp type | K1III |
| Star age | 4.3 |
| Star temperature | 4891 |
| Star alternate names | HD 214573 |
| Wikipedia article | HIP 111909 b |
Back
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| Fictional info (?) |
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| Suggested name | Pepyong |
| Planet type | Cold planet |
| As seen from HIP 111909, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.
The outer atmosphere is visibly segregated into several bands at different latitudes, resulting in turbulence and storms along their interacting boundaries. |
| Atmosphere | Molecular hydrogen | 68% |
| 2H2O | 16% |
| Nitric oxide | 13% |
| Hydrogen peroxide | 1.6% |
| Nitrogen | 0.2% |
| Carbon monoxide | 0.00024% |
| Atmospheric pressure | 16 bar |
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| Moon | Yikyider Fwuy | Medium-sized round rocky moon |
| Google search for Pepyong |
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Website by Joachim Michaelis
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