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Info for exoplanet "Onepero Cho"


Scientific (actual) data
Planet2MASS J0326-2102
Planet statusConfirmed
Planet mass18
Radius1.32
Discovered2022
Updated2022-01-23
Temperature (kelvin)1359
Log g4.37
PublicationPublished in a refereed paper
Detection typeImaging
Mass detection typeSpectrum
Radius detection typeFlux
Alternate names2MASS J03264225-2102057
Right ascension51.68°
Declination-21.03°
Star distance41
Wikipedia article2MASS J0326-2102

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Fictional info (?)
Suggested nameOnepero Cho
Planet typeHuge cold gas giant
This planet is named after the deity Onepero Cho, the bringer of war.

The atmospheric pressure at the planet's surface is 30 bar, or roughly the pressure found 1395 m under the oceans of Earth. It may have had carbon monoxide oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

Onepero Cho is the site of Celestium Montanus, the biggest volcano and second-highest known mountain in its solar system, and of Valles Marineris, one of the largest canyons in its solar system.

Onepero Cho is primarily composed of ozone with a significant part of its mass being hydrogen peroxide, though hydrogen peroxide comprises only about a small fraction of the number of molecules.
AtmosphereOzone68%
Hydrogen peroxide30%
Carbon monoxide1.7%
Atmospheric pressure30 bar
artist's rendition
No known satellites
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