exoplanet_descriptions/hd_178450_abb.txt Hyomo-gyu (HD 178450 (AB)b) - Astro
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Info for exoplanet "Hyomo-gyu"


Scientific (actual) data
NameHD 178450 (AB)b
Planet statusConfirmed
Planet mass19
Radius1.31
Semi major axis462
Inclination67
Discovered2020
Updated2024-11-01
Temperature (kelvin)1740
PublicationPublished in a refereed paper
Detection typeImaging
Mass measurement typeSpectrum
Alternate names*V478 Lyr C
Star nameHD 178450 (AB)
Right ascension286.89°
Declination30.25°
Mag j6.23
Mag h5.85
Mag k5.74
Star distance27.0958
Star mass0.891
Star radius0.903
Star sp typeG8V
Star age0.23
Star temperature5285.05
Star alternate names*V478 Lyr
Wikipedia articleHD 178450 (AB)b

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Fictional info (?)
Suggested nameHyomo-gyu
Planet typeHuge 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 two polar ice caps appear to be made largely of ice.

The outer atmosphere is visibly segregated into several bands at different latitudes, resulting in turbulence and storms along their interacting boundaries.

The brutal lakes are occupied by unreliable but medieval oceanic creatures known as "Hoshu'chaja-na". They feed while seeking smaller pray. They are somewhat related to Bekibiga, have 2 legs and vary in size from 4 to 6 mm. Most Hoshu'chaja-na are known to survive temperatures from -30 to 10°C and even even a limited degree of radiation.
Estimated population300000000
AtmosphereWater88%
Carbon dioxide9%
Methane2.4%
Oxygen0.097%
Atmospheric pressure0.8 bar
artist's rendition
No known satellites
Google search for Hyomo-gyu


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