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Info for exoplanet "Nakyu Shi"


Scientific (actual) data
PlanetK2-80 c
Planet statusConfirmed
Radius0.131
Orbital period5.605
Semi major axis0.0596
Discovered2016
Updated2021-02-05
Tconj2457070
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J03560900+1333334 c, EPIC 210403955 c, EPIC 210403955.02, WISE J035608.99+133332.8 c
Star nameK2-80
Right ascension59.04°
Declination13.56°
Mag j10.874
Mag h10.425
Star distance201.96
Star mass0.9
Star radius0.87
Star temperature5441
Star alternate names2MASS J03560900+1333334, EPIC 210403955, WISE J035608.99+133332.8
Wikipedia articleK2-80 c

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Fictional info (?)
Suggested nameNakyu Shi
Planet typeHot planet
Nakyu Shi is a terrestrial planet with a thin atmosphere, having surface features reminiscent both of the impact craters of the Moon and the valleys, deserts, and polar ice caps of Earth. Nakyu Shi is orbiting K2-80 every 5.6 Earth days. It is the second-brightest natural object in the night sky after Gupekuyo Kyu, reaching an apparent magnitude of -5 - bright enough to cast shadows at night and, rarely, visible to the naked eye in broad daylight.

It is named after the deity Nakyu Shi, the messenger of the sea.

When viewed from Gupekuyo Kyu, this proximity to K2-80 means the planet can only be seen near the western or eastern horizon during the early evening or early morning.

Two spacecraft have visited Nakyu Shi: Frontier 4 flew by 32 years ago; and Messenger, launched 15 years ago, orbited Nakyu Shi over 60 times in four years before exhausting its plasma drive and crashing into the planet's surface 4 years later.

Nakyu Shi was one of the first planets to have its motions plotted across the sky - as early as the second millennium BC.

The largest moon, Ejupya Techi Fu, has a diameter greater than that of the planet Mercury.
AtmosphereHydrogen peroxide98%
Ammonia1.9%
Atmospheric pressure2.5 bar
artist's rendition
MoonFuahyo-kumeHuge slightly egg-shaped rocky moon
Ejupya Techi FuVery small slightly egg-shaped rocky planetoid
GobudaMedium-sized almost round gaseous moon
Zedapu HeruLarge slightly egg-shaped rocky comet
NyushiSmall almost round rocky asteroid
Sumyo BoMedium-sized round rocky asteroid
Guwa ChiVery small slightly egg-shaped rocky planetoid
Google search for Nakyu shi


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