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Info for exoplanet "Onyumya Hyachi"


Scientific (actual) data
PlanetKepler-1503 b
Planet statusConfirmed
Radius0.203
Orbital period96.1699
Discovered2016
Updated2021-02-05
Tconj2455000
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19345452+4248243 b, K03443.01, KIC 7288306 b, KOI-3443 b, KOI-3443.01, WISE J193454.52+424824.1 b
Star nameKepler-1503
Right ascension293.73°
Declination42.81°
Mag j14.353
Mag h13.82
Mag k13.767
Star distance850
Star metallicity-0.19
Star mass0.77
Star radius0.74
Star age5.13
Star temperature5069
Star alternate names2MASS J19345452+4248243, KIC 7288306, KOI-3443, WISE J193454.52+424824.1
Wikipedia articleKepler-1503 b

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Fictional info (?)
Suggested nameOnyumya Hyachi
Planet typeCold planet
The planet is named after the deity Onyumya Hyachi, the spirit of hate.

Its orbital eccentricity is the largest of all known planets in its solar system; at perihelion, Onyumya Hyachi's distance from Kepler-1503 is only about two-thirds (or 66 pct) of its distance at aphelion.

It has the densest atmosphere of the cold planets, consisting mostly of ammonium hydrosulfide (NH4SH).

Plans have been proposed for rovers or more complex missions, but they are hindered by Onyumya Hyachi's hazardous precipitation.

There are ongoing investigations assessing the present habitability potential of Onyumya Hyachi, as well as the possibility of extant life.
AtmosphereAmmonium hydrosulfide (NH4SH)49%
Nitrogen41%
Sulfur dioxide5%
Argon4.1%
Formaldehyde0.21%
Hydrogen0.14%
Atmospheric pressure0.006 bar
artist's rendition
No known satellites
Google search for Onyumya hyachi


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