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Greip Sponda (HATS-77 b), Exoplanets
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Info for exoplanet "Greip Sponda"


Scientific (actual) data
NameHATS-77 b
Planet statusConfirmed
Planet mass1.374
Radius1.165
Orbital period3.08763
Semi major axis0.03607
Orbit eccentricity0.045
Inclination88.44
Discovered2021
Updated2021-12-06
Tzero tr2459140
Impact parameter0.328
K253
Temp calculated828
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass measurement typeRadial Velocity
Radius measurement typePrimary Transit
Alternate namesTOI-730 b
Star nameHATS-77
Ra149.83°
Dec-27.39°
Mag v16.35
Star distance414
Star metallicity0.253
Star mass0.655
Star radius0.643
Star age12.1
Star temperature4071
Star alternate namesTOI-730
Wikipedia articleHATS-77 b

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Fictional info (?)
Greip Sponda
Hot gas giant
It may have had ozone oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.
AtmosphereMolecular hydrogen72%
Ammonia11%
Ozone8.4%
Hydrogen deuteride (HD)7.6%
5 bar
2.7 × Earth
artist's rendition
MoonPanca AetheeSmall round crater-filled moon
Ronbenoe ThoneVery small slightly egg-shaped rocky moon
Deucessut TearoLarge slightly egg-shaped rocky comet
ObenaVery small irregular ice moon
BannomiaSmall round crater-filled moon
Demone-paditaSmall irregular rocky asteroid
Google search for Greip sponda


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