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Info for exoplanet "Hyskoll Pho"


Scientific (actual) data
PlanetHD 5891 b
Planet statusConfirmed
Mass sini7.6
Orbital period177.11
Semi major axis0.76
Orbit eccentricity0.066
Angular distance0.003028
Discovered2011
Updated2011-09-01
Omega360
Tperi2455430
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star nameHD 5891
Right ascension15.14°
Declination20.29°
Mag v8.25
Star distance251
Star metallicity-0.02
Star mass1.91
Star radius8.7
Star sp typeG5D
Star age1.5
Star temperature4907
Wikipedia articleHD 5891 b

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Fictional info (?)
Suggested nameHyskoll Pho
Planet typeCold planet
This planet is named after the deity Hyskoll Pho, the messenger of destruction.

An observer on Hyskoll Pho would therefore see only one winter every four years.

Its orbital eccentricity is the largest of all known planets in its solar system; at perihelion, Hyskoll Pho's distance from HD 5891 is only about two-thirds (or 96 pct) of its distance at aphelion.

It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on.

The smooth Borealis basin in the northern hemisphere covers 24 percent of the planet and may be a giant impact feature.

Future astrobiology missions are planned, including the Hyskoll Pho 3400 and ExoHyskoll Pho rovers. The volume of water detected has been estimated to be equivalent to the volume of water in Lake Superior.

Wind speeds can reach 81 metres per second.
AtmosphereHydrogen chloride61%
Sulfur dioxide28%
Ethane9.8%
Nitrogen0.11%
2H2O0.029%
Ammonia0.02%
Molecular hydrogen0.017%
Xenon1.0E-5%
Atmospheric pressure9 bar
artist's rendition
MoonTheacal'laSmall round oceanic asteroid
Google search for Hyskoll pho


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