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Info for exoplanet "Hydaph Artri"


Scientific (actual) data
PlanetHD 145457 b
Planet statusConfirmed
Mass sini2.9
Orbital period176.3
Semi major axis0.76
Orbit eccentricity0.112
Angular distance0.006032
Discovered2010
Updated2010-05-17
Omega300
Tperi3518
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star nameHD 145457
Right ascension242.52°
Declination26.74°
Mag v6.57
Star distance126
Star metallicity-0.14
Star mass1.9
Star radius9.9
Star sp typeK0
Star temperature4757
Wikipedia articleHD 145457 b

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Fictional info (?)
Suggested nameHydaph Artri
Planet typeCold planet
Its orbital period around HD 145457 of 180 earth days is the longest of all the planets in its solar system.

It is named after the deity Hydaph Artri, the god of the underworld.

Hydaph Artri is the site of Robusto Ridge, the tallest volcano and second-highest known mountain in its solar system, and of Valles Marineris, one of the largest canyons in its solar system.

Future astrobiology missions are planned, including the Hydaph Artri 2900 and ExoHydaph Artri rovers. The two polar ice caps appear to be made largely of rock.

Because of its fast rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).
AtmosphereHydrogen deuteride (HD)50%
Ozone24%
Molecular hydrogen14%
Methane9.8%
Sulfur dioxide2.1%
Atmospheric pressure0.0025 bar
artist's rendition
No known satellites
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