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Info for exoplanet "Ketsu Bobahe"


Scientific (actual) data
PlanetAU Mic b
Planet statusConfirmed
Planet mass0.116
Radius0.4571
Orbital period8.46303
Semi major axis0.08305
Orbit eccentricity0.012
Inclination89.9904
Discovered2020
Updated2023-02-20
Omega356.2
Tzero tr2458330
Impact parameter0.0032
K11.2
Temperature (kelvin)569.5
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass detection typeRadial Velocity
Radius detection typePrimary Transit
Star nameAU Mic
Right ascension311.29°
Declination-31.34°
Mag v8.6
Star distance9.79
Star mass0.5
Star radius0.75
Star sp typeM1V
Star age0.022
Star temperature3700
Wikipedia articleAU Mic b

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Fictional info (?)
Suggested nameKetsu Bobahe
Planet typeTerrestrial
When viewed from Myopya, Ketsu Bobahe 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. It is named after the deity Ketsu Bobahe, the bringer of fear.

An observer on Ketsu Bobahe would therefore see only one day every five years.

The nitric oxide has probably photodissociated, and the free carbon monoxide has been swept into interplanetary space by the solar wind because of the lack of a planetary magnetic field.

The rotational period and seasonal cycles of Ketsu Bobahe are likewise similar to those of Earth, as is the tilt that produces the seasons.

Liquid water cannot exist on the surface of Ketsu Bobahe due to low atmospheric pressure, which is less than 8 percent of Earth's, except at the highest elevations for short periods.
AtmosphereCarbon monoxide65%
Formaldehyde31%
Nitric oxide2.3%
Carbon dioxide0.82%
Krypton0.66%
Neon0.059%
Sulfur dioxide0.0043%
Hydrogen peroxide0%
Atmospheric pressure0.23 bar
artist's rendition
No known satellites
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