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Info for exoplanet "Themecal"


Scientific (actual) data
PlanetHD 219828 b
Planet statusConfirmed
Mass sini0.0661
Orbital period3.83489
Semi major axis0.045
Orbit eccentricity0.059
Angular distance0.000641
Discovered2007
Updated2016-05-24
Omega255
Tperi2456000
K7.53
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameHD 219828
Right ascension349.7°
Declination18.65°
Mag v8.04
Star distance81.1
Star metallicity0.19
Star mass1.24
Star radius1.7
Star sp typeG0IV
Star age5.8
Star temperature5891
Wikipedia articleHD 219828 b

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Fictional info (?)
Suggested nameThemecal
Planet typeHot planet
Themecal is the closest planet to HD 219828 and one of the largest in its solar system. This planet is named after the deity Themecal, the god of nature.

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 219828, which reoccurs over the so-called synodic period approximately every 162 days.

The Themecal system has a unique configuration among those of the planets because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit.
AtmosphereHydrogen deuteride (HD)43%
Sulfur dioxide42%
Methane10%
Hydrogen3.7%
Xenon0.34%
Atmospheric pressure31 bar
artist's rendition
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Mehalidome'lagalaVery small round oceanic moon
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