exoplanet_descriptions/hd_102956_ab.txt Hetei (HD 102956 Ab) - Exoplanets
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Info for exoplanet "Hetei"


Scientific (actual) data
NameHD 102956 Ab
Planet statusConfirmed
Mass sini0.96
Orbital period6.4947
Semi major axis0.0807
Orbit eccentricity0.037
Angular distance0.000643
Discovered2010
Updated2024-08-01
Omega301
Tperi2455350
K74.6
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star nameHD 102956 A
Right ascension177.85°
Declination57.64°
Mag v8
Star distance126
Star metallicity0.19
Star mass1.68
Star radius4.4
Star sp typeK0III-IV
Star age2.3
Star temperature5054
Wikipedia articleHD 102956 Ab

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Fictional info (?)
Suggested nameHetei
Planet typeWarm planet
When viewed from Earth, this proximity to HD 102956 A means the planet can only be seen near the western or eastern horizon during the early evening or early morning.

Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 175°K (-98°C) at night to 420°K (147°C) during the day across the equatorial regions.
AtmosphereMethane96%
Hydrogen deuteride (HD)3.5%
Argon2.0E-6%
Atmospheric pressure0.6 bar
artist's rendition
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ChobeMedium-sized round rocky moon
MyushaVery small round rocky asteroid
Jiropoi-nyoryaMedium-sized round ice comet
Gibogyo MipyuSmall almost round rocky moon
Riryabe DozoMedium-sized round rocky asteroid
Noryape PyuchoHuge slightly egg-shaped crater-filled planetoid
Tsuhyu-hyoHuge potato shaped ice comet
Nochipu HinaHuge slightly egg-shaped rocky moon
Myowabu SogitsuHuge irregular ice moon
DajagopyoMedium-sized slightly egg-shaped crater-filled planetoid
Yurima ShubeyuVery small round gaseous moon
Shuho'yazoVery small irregular rocky asteroid
MagyushoMedium-sized slightly egg-shaped rocky asteroid
Taku Byao-gaSmall slightly egg-shaped ice asteroid
Mekeji YofutonLarge potato shaped rocky planetoid
Yomya'piMedium-sized almost round gaseous comet
KanseuSmall round gaseous moon
Chanyo PakyuuHuge potato shaped ice comet
Shipya-jita GyoVery small round gaseous planetoid
Bewo IgyoVery small irregular oceanic moon
YozugojuVery small slightly egg-shaped oceanic planetoid
RyayochaVery small potato shaped rocky moon
Yopayuhya-pijiLarge potato shaped oceanic asteroid
Muke NouiVery small almost round gaseous planetoid
Ganyumya KibuhoVery small almost round rocky moon
Kyomo MiLarge slightly egg-shaped crater-filled moon
KyarapyaLarge almost round ice planetoid
NogeHuge almost round crater-filled moon
Fupiyu ZuSmall almost round gaseous moon
Gifujii KanuSmall irregular gaseous asteroid
Nuiho ShinyoLarge almost round rocky moon
Hyubocha-hyuSmall round gaseous asteroid
GehyujoaSmall almost round oceanic asteroid
Pibusu KagoSmall potato shaped ice moon
Zuwakyu-kuLarge potato shaped rocky comet
Jupu-suja PyuSmall round ice asteroid
Dakate'hyazamyuVery small round rocky moon
Pago-koHuge potato shaped ice planetoid
Kehahya KikyaHuge almost round crater-filled asteroid
Japya'gyuVery small potato shaped oceanic planetoid
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