exoplanet_descriptions/hd_30177_ac.txt Listannix-per (HD 30177 Ac) - Astro
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Info for exoplanet "Listannix-per"


Scientific (actual) data
NameHD 30177 Ac
Planet statusConfirmed
Planet mass6.15
Mass sini3
Orbital period12085.5
Semi major axis10.258
Orbit eccentricity0.039
Inclination98.016
Discovered2016
Updated2024-07-30
Omega138.62
Tperi2451660
K54.469
PublicationPublished in a refereed paper
Detection typeRadial Velocity, Astrometry
Mass measurement typeAstrometry
Star nameHD 30177 A
Right ascension70.48°
Declination-58.02°
Mag v8.41
Star distance54.7
Star metallicity0.33
Star mass1.05
Star radius1.12
Star sp typeG8V
Star age11.6
Star temperature5580
Wikipedia articleHD 30177 Ac

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Fictional info (?)
Suggested nameListannix-per
Planet typeLarge cold gas giant
The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to HD 30177 A, which reoccurs over the so-called synodic period approximately every 157 days.

The outer atmosphere is visibly segregated into several bands at different latitudes, resulting in turbulence and storms along their interacting boundaries.
AtmosphereAmmonium hydrosulfide (NH4SH)95%
Nitric oxide2.6%
Hydrogen1.6%
Ethane0.21%
Ozone0.0046%
Sulfur dioxide0%
Atmospheric pressure0.04 bar
artist's rendition
MoonEuryid BoskaHuge round gaseous moon
Nandras'naHuge irregular crater-filled moon
LemoneSmall irregular oceanic asteroid
Autope DeerseteLarge slightly egg-shaped crater-filled asteroid
Leorsur-cresLarge almost round crater-filled moon
Isome TheaVery small round oceanic moon
MakaVery small irregular rocky comet
Surtheus-nusdaSmall slightly egg-shaped crater-filled moon
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