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Info for exoplanet "Sipro Ad"


Scientific (actual) data
PlanetKepler-1398 b
Planet statusConfirmed
Radius0.08
Orbital period2.78816
Discovered2016
Updated2021-02-05
Tconj2454960
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19392788+4838203 b, K02977.01, KIC 11090556 b, KOI-2977 b, KOI-2977.01, WISE J193927.87+483820.3 b
Star nameKepler-1398
Right ascension294.87°
Declination48.64°
Mag j12.695
Mag h12.389
Mag k12.355
Star distance793
Star metallicity0.01
Star mass1.13
Star radius1.18
Star age3.09
Star temperature6126
Star alternate names2MASS J19392788+4838203, KIC 11090556, KOI-2977, WISE J193927.87+483820.3
Wikipedia articleKepler-1398 b

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Fictional info (?)
Suggested nameSipro Ad
Planet typeCold planet
The planet is named after the deity Sipro Ad, the demon of fear.

Sipro Ad's surface appears quite scarred and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years.

It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on. Plans have been proposed for rovers or more complex missions, but they are hindered by Sipro Ad's hostile surface conditions.

The volume of water detected has been estimated to be equivalent to the volume of water in the Black Sea.
AtmosphereHydrogen peroxide61%
Ethane39%
Water vapor0.077%
Molecular hydrogen0.0024%
Atmospheric pressure5 bar
artist's rendition
MoonTeiokeLarge potato shaped rocky moon
Daph Anal FerSmall round oceanic comet
Siferja CalifarSmall almost round crater-filled moon
SinaiadSmall round rocky asteroid
Google search for Sipro ad


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