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Info for exoplanet "Sobyu Gyore Pa"


Scientific (actual) data
PlanetK2-259 b
Planet statusConfirmed
Radius0.207
Orbital period15.4804
Semi major axis0.1271
Discovered2018
Updated2021-02-05
Tconj2457590
Impact parameter0.41
Temperature (kelvin)795
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J12271264+0134005 b, EPIC 229131722 b, EPIC 229131722.01, WISE J122712.64+013400.6 b
Star nameK2-259
Right ascension186.8°
Declination1.57°
Mag j11.425
Mag h11.18
Star distance422.1
Star metallicity0.16
Star mass1.14
Star radius1.13
Star temperature6059
Star alternate names2MASS J12271264+0134005, EPIC 229131722, WISE J122712.64+013400.6
Wikipedia articleK2-259 b

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Fictional info (?)
Suggested nameSobyu Gyore Pa
Planet typeTerrestrial
It is named after the deity Sobyu Gyore Pa, the demon of chaos.

The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to K2-259, which reoccurs over the so-called synodic period approximately every 128 days.

Sobyu Gyore Pa's axis has the smallest tilt of any of its solar system's planets.

Two spacecraft have visited Sobyu Gyore Pa: Daedalus 5 flew by 27 years ago; and Messenger, launched 11 years ago, orbited Sobyu Gyore Pa over 100 times in four years before exhausting its plasma drive and crashing into the planet's atmosphere 4 years later.

Sobyu Gyore Pa is a terrestrial and is sometimes called Earth's "twin planet" because of their similar size, mass, proximity to K2-259, and bulk composition. It may have had water oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

The latest probe to visit the planet is Juno, which entered into orbit around Sobyu Gyore Pa after a tricky ride.

The Sobyu Gyore Pa system has a unique configuration among those of the planets because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit. Wind speeds can reach 144 metres per second.

Surface mostly dangerous because of the unpredictable advanced plants known as "Nugetsu'kyu". They survive on the surface by hunting something called Yagike Tomyu. Nugetsu'kyu are related to the Wapinyu'geumu but have 7 arms and vary in length from 80 to 140 cm. The Nugetsu'kyu are able to withstand temperatures from 110 to 210°C and even very low gravity.
Estimated population2100000000
AtmosphereOxygen91%
Methane7.3%
Water1.2%
Carbon dioxide4.5E-5%
Atmospheric pressure70 bar
artist's rendition
No known satellites
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