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Info for exoplanet "Lassa Siar"


Scientific (actual) data
PlanetKepler-639 b
Planet statusConfirmed
Radius0.212
Orbital period10.2142
Discovered2016
Updated2021-02-05
Tconj2455000
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19284485+4143373 b, K00662.01, KIC 6365156 b, KOI-662 b, KOI-662.01, WISE J192844.84+414337.1 b
Star nameKepler-639
Right ascension292.19°
Declination41.73°
Mag j12.212
Mag h11.948
Mag k11.89
Star distance680
Star metallicity0.23
Star mass1.14
Star radius1.29
Star age4.37
Star temperature5896
Star alternate names2MASS J19284485+4143373, KIC 6365156, KOI-662, WISE J192844.84+414337.1
Wikipedia articleKepler-639 b

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Fictional info (?)
Suggested nameLassa Siar
Planet typeCold planet
Lassa Siar has been known to astronomers since antiquity. This planet is named after the deity Lassa Siar, the bringer of war.

The volume of water detected has been estimated to be equivalent to the volume of water in Earth's oceans.

Like the other cold planets, Lassa Siar has a ring system, a magnetosphere, and numerous moons, Halineso Bos being the least visible one.

The largest moon is full of odd but stone-age insects called the "Meanony'ca". They spend their life in the forest by consuming plants if the weather permits it. They are believed to be similar to the Chalda-sto but with scales and vary in length from 80 to 140 cm. Most Meanony'ca are known to survive temperatures from -30 to 20°C and to some degree very low gravity.
Estimated population0.5
AtmosphereMethane64%
Water33%
Oxygen2.6%
Carbon dioxide0.00083%
Atmospheric pressure0.11 bar
artist's rendition
MoonHalineso BosVery small almost round oceanic asteroid
Google search for Lassa siar


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