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Info for exoplanet "Kupyono-ku"


Scientific (actual) data
PlanetKepler-256 e
Planet statusConfirmed
Radius0.21
Orbital period10.6816
Semi major axis0.096
Discovered2014
Updated2021-02-05
Tconj2454960
Impact parameter0.04
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19301930+4605506 e, K00939.04, KIC 9466668 e, KOI-939 e, KOI-939.04, WISE J193019.31+460550.5 e
Star nameKepler-256
Right ascension292.58°
Declination46.1°
Mag j13.824
Mag h13.496
Mag k13.424
Star distance1057.36
Star metallicity0.061
Star mass1.02
Star radius1.3
Star temperature5551
Star alternate names2MASS J19301930+4605506, KIC 9466668, KOI-939, WISE J193019.31+460550.5
Wikipedia articleKepler-256 e

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Fictional info (?)
Suggested nameKupyono-ku
Planet typeWarm planet
Kupyono-ku has been known to astronomers since the beginning of the space age. For this reason, scientists often classify Kupyono-ku and Pigamamyu-no as "warm planets" to distinguish them from the other planets. The planet is named after the deity Kupyono-ku, the bringer of prosperity.

Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 90°K (-183°C) at night to 735°K (462°C) during the day across the equatorial regions.

Future astrobiology missions are planned, including the Kupyono-ku 1900 and ExoKupyono-ku rovers. The volume of water ice in the south polar ice cap, if melted, would be sufficient to cover the entire planetary surface to a depth of 15 meters.

Kupyono-ku can easily be seen from Pigamamyu-no with the naked eye, as can its grayish coloring.
AtmosphereNeon47%
Hydrogen deuteride (HD)42%
Ammonium hydrosulfide (NH4SH)9.1%
Helium1.6%
Krypton0.00045%
Atmospheric pressure4 bar
artist's rendition
No known satellites
Google search for Kupyono-ku


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