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Space Astro
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Info for exoplanet "Waibwang"
| Scientific (actual) data |
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| Name | HD 108202 b |
| Planet status | Confirmed |
| Planet mass | 2.86 |
| Orbital period | 2971.1 |
| Semi major axis | 3.663 |
| Orbit eccentricity | 0.489 |
| Inclination | 75 |
| Discovered | 2023 |
| Updated | 2025-08-13 |
| Omega | 78 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass measurement type | Astrometry |
| Alternate names | HIP 60648 b |
| Star name | HD 108202 |
| Right ascension | 186.46° |
| Declination | -1.11° |
| Mag v | 10.2 |
| Star distance | 38.65 |
| Star mass | 0.74 |
| Star sp type | K4/5V |
| Star age | 6.5 |
| Star alternate names | HIP 60648 |
| Wikipedia article | HD 108202 b |
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| Fictional info (?) |
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| Suggested name | Waibwang |
| Planet type | Large cold gas giant |
| It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.
The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to HD 108202, which reoccurs over the so-called synodic period approximately every 186 days.
As seen relative to the fixed stars, it rotates on its axis exactly five times for every four revolutions it makes around HD 108202.
The atmospheric pressure at the planet's surface is 60 bar, or roughly the pressure found 900 m under the oceans of Earth.
The smooth Borealis basin in the northern hemisphere covers 13 percent of the planet and may be a giant impact feature. |
| Atmosphere | 2H2O | 62% |
| Carbon dioxide | 33% |
| Ammonium hydrosulfide (NH4SH) | 1.6% |
| Ethane | 1.4% |
| Oxygen | 1.2% |
| Atmospheric pressure | 60 bar |
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| Moon | Youjwo'd | Huge round gaseous comet |
| Meid | Large irregular rocky moon |
| Yongc Wanzh | Huge irregular crater-filled asteroid |
| Wwaicei Chying | Medium-sized irregular gaseous moon |
| Wangnyin-dyu | Large potato shaped gaseous moon |
| Google search for Waibwang |
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Website by Joachim Michaelis
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