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Info for exoplanet "Theiji Lao"


Scientific (actual) data
PlanetK2-252 b
Planet statusConfirmed
Radius0.155
Orbital period13.8151
Semi major axis0.1041
Discovered2018
Updated2021-02-05
Tconj2457600
Impact parameter0.41
Temperature (kelvin)639
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J12092792-0818342 b, EPIC 228763938 b, EPIC 228763938.01, WISE J120927.92-081834.5 b
Star nameK2-252
Right ascension182.37°
Declination-8.31°
Mag j11.236
Mag h10.774
Star distance229.9
Star metallicity-0.09
Star mass0.79
Star radius0.82
Star temperature5152
Star alternate names2MASS J12092792-0818342, EPIC 228763938, WISE J120927.92-081834.5
Wikipedia articleK2-252 b

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Fictional info (?)
Suggested nameTheiji Lao
Planet typeTerrestrial
It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.

Theiji Lao is the oldest planet known belonging to K2-252 and one of the largest in its solar system. Theiji Lao and Mnetar are terrestrials rich in rock. Theiji Lao has been known to astronomers since antiquity. This planet is named after the deity Theiji Lao, the god of the sky.

It may have had oxygen oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect. Theiji Lao's surface is a barren desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism.

The smooth Borealis basin in the northern hemisphere covers 34 percent of the planet and may be a giant impact feature.

The horrible surface is inhabitated by unpredictable yet ultra advanced insects known as "Teus". They spend their life by finding nourishment in plants during the day. Most of them are closely related to Medeia but have 4 legs and vary in size from 11 to 19 mm. Teus can withstand temperatures from 80 to 130°C and even a limited degree of radiation.
Estimated population9000000000
AtmosphereCarbon dioxide43%
Methane41%
Oxygen15%
Water3.9E-5%
Atmospheric pressure1 bar
artist's rendition
No known satellites
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