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Info for exoplanet "Hepolythel Kin"


Scientific (actual) data
PlanetWASP-47 d
Planet statusConfirmed
Planet mass0.04122
Radius0.319
Orbital period9.03077
Semi major axis0.088
Orbit eccentricity0.014
Inclination89.32
Discovered2015
Updated2021-02-05
Omega76
Tconj2457010
Tzero tr2456990
Impact parameter0.192
K3.93
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass detection typeRadial Velocity
Radius detection typePrimary Transit
Alternate names1SWASP J220448.72-120107.8 d, 2MASS J22044873-1201079 d, EPIC 206103150 d, EPIC 206103150.02, K2-23 d, WISE J220448.74-120108.4 d
Star nameWASP-47
Right ascension331.2°
Declination-12.02°
Mag v11.9
Mag j10.613
Mag h10.31
Star distance266.69
Star metallicity0.38
Star mass1.04
Star radius1.14
Star sp typeG9V
Star temperature5552
Star alternate names1SWASP J220448.72-120107.8, 2MASS J22044873-1201079, EPIC 206103150, K2-23, WISE J220448.74-120108.4
Wikipedia articleWASP-47 d

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Fictional info (?)
Suggested nameHepolythel Kin
Planet typeSmall warm gas planet
Its orbital period around WASP-47 of 9 earth days is the shortest of all the planets in its solar system.

Hepolythel Kin and Orpa-steph-ti are small warm gas planets rich in gas. This planet is named after the deity Hepolythel Kin, the goddess of chaos.

The atmospheric pressure at the planet's surface is 0.5 bar, or roughly the pressure found 675 m under the oceans of Earth. It may have had ethane oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

Future astrobiology missions are planned, including the Hepolythel Kin 1600 and ExoHepolythel Kin rovers. The two polar ice caps appear to be made largely of sand.
AtmosphereMolecular hydrogen99%
Nitrogen0.63%
Ethane0.18%
Hydrogen peroxide0.0046%
Carbon monoxide0.0015%
Atmospheric pressure0.5 bar
artist's rendition
MoonMakame-fornVery small almost round oceanic moon
Panaanan-keHuge round rocky moon
Delia'sikate PaLarge almost round gaseous comet
OphenaHuge irregular crater-filled planetoid
NesoLarge slightly egg-shaped oceanic planetoid
SetefornMedium-sized slightly egg-shaped rocky asteroid
LadearLarge potato shaped ice moon
Rosa PadeiLarge round ice moon
Masatteus JulsiVery small irregular crater-filled comet
MipculoSmall potato shaped gaseous moon
Mesiar MaskaVery small slightly egg-shaped gaseous moon
JarnadrionVery small potato shaped rocky comet
Noesa ThaMedium-sized almost round rocky asteroid
Lenese IsoLarge almost round crater-filled asteroid
Idiidme IoLarge irregular oceanic moon
Culo ThysHuge potato shaped rocky moon
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