exoplanet_descriptions/kepler-1897_ab.txt Oneste Dei (Kepler-1897 Ab) - Astro
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Info for exoplanet "Oneste Dei"


Scientific (actual) data
NameKepler-1897 Ab
Planet statusConfirmed
Radius0.25105
Orbital period24.2203
Semi major axis0.1556
Orbit eccentricity0
Inclination89.38
Discovered2017
Updated2024-06-27
Tzero tr2454980
Impact parameter0.032
Temperature (kelvin)505
PublicationAnnounced on a website
Detection typePrimary Transit
Radius measurement typePrimary Transit
Alternate namesKOI-3066 b, KOI-3066.01
Star nameKepler-1897 A
Right ascension294.29°
Declination39.13°
Mag v16.01
Mag i15.585
Mag j14.437
Mag h14.012
Mag k13.714
Star distance983.174
Star metallicity0.04
Star mass0.82
Star radius0.863
Star sp typeK0V
Star age4.2
Star temperature4962
Star alternate namesKIC 4067925, KOI-3066
Wikipedia articleKepler-1897 Ab

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Fictional info (?)
Suggested nameOneste Dei
Planet typePlanet
It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 45°K (-228°C), and has a complex, layered cloud structure with argon thought to make up the lowest clouds, and ozone the uppermost layer of clouds.

It may have had hydrogen peroxide oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.
AtmosphereOzone34%
Argon27%
Hydrogen peroxide19%
2H2O13%
Carbon dioxide5.6%
Ethane0.043%
Helium0.00015%
Atmospheric pressure3.1 bar
artist's rendition
MoonCaliio AlHuge almost round rocky comet
Mepidda'lasVery small almost round ice moon
TheleneSmall round ice planetoid
Ariellirr IetSmall round oceanic moon
Maldes'riVery small almost round oceanic planetoid
Titania HeVery small round ice planetoid
Mone CorVery small potato shaped rocky comet
Theaone ProSmall round rocky comet
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