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Info for exoplanet "Protar Cu"


Scientific (actual) data
PlanetHD 114783 c
Planet statusConfirmed
Mass sini0.61
Orbital period4318
Orbit eccentricity0
Discovered2010
Updated2018-11-16
Omega6.5
Tperi2458110
K9.2
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameHD 114783
Right ascension198.18°
Declination-2.27°
Mag v7.57
Star distance20.4
Star metallicity0.33
Star mass0.92
Star radius0.78
Star sp typeK0
Star age3.7
Star temperature5105
Wikipedia articleHD 114783 c

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Fictional info (?)
Suggested nameProtar Cu
Planet typeCold planet
It is named after the deity Protar Cu, the goddess of fear.

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 114783, which reoccurs over the so-called synodic period approximately every 110 days.

As the closest planet to Sidasie, Protar Cu has been a prime target for early interplanetary exploration. Protar Cu's thick clouds render observation of its surface difficult in ultraviolet light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 36 years ago.

In 1986, images from Daedalus 5 showed Protar Cu as an almost featureless planet in visible light, without the cloud bands or storms associated with the other cold planets.
AtmosphereCarbonyl sulfide41%
Molecular hydrogen24%
Ethane16%
Hydrogen13%
Ammonia3.4%
Sulfur dioxide0.82%
Atmospheric pressure0.5 bar
artist's rendition
MoonAlaopanVery small round gaseous moon
Hesaosida KoMedium-sized irregular oceanic asteroid
Google search for Protar cu


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