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Info for exoplanet "Eibo-rwaz'yuan"


Scientific (actual) data
PlanetKepler-1687 b
Planet statusConfirmed
Radius0.148
Orbital period5.77954
Semi major axis0.0522
Inclination87.09
Discovered2020
Updated2021-02-05
Tzero tr2454970
Impact parameter0.7593
Temperature (kelvin)578
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19185826+5047133 b, K02588.01, KIC 12156347 b, KOI-2588 b, KOI-2588.01, WISE J191858.27+504713.4 b
Star nameKepler-1687
Right ascension289.74°
Declination50.79°
Mag i14.966
Mag j13.491
Mag h12.843
Mag k12.739
Star distance422.02
Star metallicity-0.2
Star mass0.565
Star radius0.65
Star temperature4249
Star alternate names12156347, 2MASS J19185826+5047133, KIC 12156347, KOI-2588, WISE J191858.27+504713.4
Wikipedia articleKepler-1687 b

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Fictional info (?)
Suggested nameEibo-rwaz'yuan
Planet typeHot planet
Eibo-rwaz'yuan has been known to astronomers since the beginning of the space age. This planet is named after the deity Eibo-rwaz'yuan, the creator of the sky.

Eibo-rwaz'yuan is a hot planet and is sometimes called Chwan Shyao's "twin planet" because of their similar size, mass, proximity to Kepler-1687, and bulk composition. It is radically different from Chwan Shyao in other respects. It may have had sulfur dioxide oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

The smooth Borealis basin in the northern hemisphere covers 13 percent of the planet and may be a giant impact feature.

A prominent result is the "great green spot", a giant storm that is known to have existed for centuries since it was first observed by radar.

Like many of the other hot planets, Eibo-rwaz'yuan has a ring system, a magnetosphere, and numerous moons, Yiqweng'xyayech being the most recognizable one.
AtmosphereCarbonyl sulfide39%
Helium32%
Sulfur dioxide19%
Oxygen4.1%
Carbon dioxide3.7%
Hydrogen1.4%
Hydrogen deuteride (HD)0.68%
Atmospheric pressure0.17 bar
artist's rendition
MoonErnoulwoyVery small irregular oceanic moon
Yiqweng'xyayechMedium-sized almost round crater-filled moon
MwodyuegVery small round rocky moon
Yongw-youlyunSmall potato shaped rocky moon
Google search for Eibo-rwaz'yuan


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