exoplanet_descriptions/hd_8291_abb.txt Nyatema (HD 8291 (AB)b) - Exoplanets
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Info for exoplanet "Nyatema"


Scientific (actual) data
NameHD 8291 (AB)b
Planet statusConfirmed
Planet mass74.6
Semi major axis2570
Discovered2014
Updated2025-09-22
PublicationPublished in a refereed paper
Detection typeImaging, Astrometry
Mass measurement typeAstrometry
Alternate namesHIP 6407 b, DEA 38 b
Star nameHD 8291 (AB)
Right ascension20.58°
Declination3.51°
Mag v9.1
Star distance50.3121
Star metallicity-0.0717
Star mass1.03
Star radius0.89
Star sp typeG2V
Star age0.89
Star temperature5768
Star alternate namesHIP 6407, DEA 38
Wikipedia articleHD 8291 (AB)b

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Fictional info (?)
Suggested nameNyatema
Planet typeHuge cold gas giant
AtmosphereCarbonyl sulfide50%
Nitrogen41%
Hydrogen chloride8.1%
Formaldehyde0.027%
Atmospheric pressure2.5 bar
artist's rendition
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Chama-ryuSmall round oceanic asteroid
Ponachi ChoVery small round crater-filled moon
Zuno MujoSmall round rocky asteroid
ChigiSmall round ice moon
Rube PyubiSmall irregular ice asteroid
Jonagyo-mijaVery small round gaseous asteroid
Bozoyunyo-hyaHuge potato shaped oceanic moon
NenyaSmall almost round oceanic asteroid
Shada-chusuMedium-sized potato shaped crater-filled moon
Gonyoru'jaMedium-sized almost round rocky asteroid
Ucha Hyobi KyuHuge almost round oceanic moon
Yupagyu MyoVery small almost round crater-filled moon
Pibyaro FuchapoMedium-sized potato shaped oceanic moon
Utegu-hyaSmall irregular ice comet
Baryubyo'kasatsuVery small slightly egg-shaped gaseous comet
EshumuVery small round ice moon
PyupyaHuge potato shaped rocky asteroid
Pidamu AyaMedium-sized irregular oceanic moon
Roryori'giSmall potato shaped oceanic asteroid
Dosukyu JoteyoVery small almost round rocky comet
RyutenyuLarge round crater-filled comet
ShisapyoSmall irregular rocky comet
Sauuga SesoVery small slightly egg-shaped crater-filled moon
Chipya SefuVery small round rocky moon
MyoaaeHuge round rocky moon
Hashi Hoge ChaLarge round oceanic moon
Subiku ZaSmall slightly egg-shaped rocky planetoid
Maasanyo-moHuge round crater-filled planetoid
Chodo Shupe BeLarge round crater-filled planetoid
Ryapuji Hyocha ShiMedium-sized slightly egg-shaped gaseous planetoid
JohyaLarge irregular rocky moon
Shugyo UhyogoVery small irregular oceanic moon
Bikore-bepyu-haMedium-sized slightly egg-shaped ice moon
Kyasa HyoHuge potato shaped crater-filled moon
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