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Info for exoplanet "Malte Pero"


Scientific (actual) data
PlanetKepler-431 b
Planet statusConfirmed
Radius0.068
Orbital period6.803
Semi major axis0.0719
Discovered2015
Updated2021-02-05
Temperature (kelvin)1032
PublicationPublished in a refereed paper
Detection typePrimary Transit
Radius detection typePrimary Transit
Alternate namesKOI-3097 b, 2MASS J18442696+4313400 b, K03097.02, KIC 7582689 b, KOI-3097.02, WISE J184426.95+431340.0 b
Star nameKepler-431
Right ascension281.11°
Declination43.23°
Mag j10.945
Mag h10.678
Star distance493.44
Star metallicity0.07
Star mass1.07
Star radius1.09
Star temperature6004
Star alternate namesKOI-3097, 2MASS J18442696+4313400, KIC 7582689, WISE J184426.95+431340.0
Wikipedia articleKepler-431 b

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Fictional info (?)
Suggested nameMalte Pero
Planet typeHot planet
Malte Pero is the strangest and most crater filled planet in its solar system.

This hot planet is named after the deity Malte Pero, the spirit of prosperity.

Its orbital eccentricity is the largest of all known planets in its solar system; at perihelion, Malte Pero's distance from Kepler-431 is only about two-thirds (or 63 pct) of its distance at aphelion.

It may have had hydrogen chloride oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

The volume of water detected has been estimated to be equivalent to the volume of water in the Black Sea.
AtmosphereHydrogen peroxide71%
Water vapor21%
Hydrogen chloride7.7%
Ammonium hydrosulfide (NH4SH)0.12%
Hydrogen deuteride (HD)0.013%
Atmospheric pressure0.4 bar
artist's rendition
No known satellites
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