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Info for exoplanet "Oujaixyuany"


Scientific (actual) data
PlanetKMT-2019-BLG-0842 b
Planet statusConfirmed
Planet mass10.28
Semi major axis3.31
Discovered2019
Updated2019-12-10
PublicationPublished in a refereed paper
Detection typeMicrolensing
Mass detection typeMicrolensing
Star nameKMT-2019-BLG-0842
Right ascension268.46°
Declination-29.88°
Star distance3320
Star mass0.76
Wikipedia articleKMT-2019-BLG-0842 b

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Fictional info (?)
Suggested nameOujaixyuany
Planet typeHuge cold gas giant
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. Orbiting within Yingqwei's orbit, Oujaixyuany is an inferior planet and never appears to venture far from KMT-2019-BLG-0842; its maximum angular distance from KMT-2019-BLG-0842 (elongation) is 77 degrees.

This huge cold gas giant is named after the deity Oujaixyuany, the demon of the underworld.

Like Yingqwei, Oujaixyuany has been orbiting KMT-2019-BLG-0842 within Zheih-en's orbit as an inferior planet, and never moves more than 15 degrees away from KMT-2019-BLG-0842.

Because of its rapid rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).

The Oujaixyuany system has a unique configuration among those of the planets because its axis of rotation is tilted sideways, nearly into the plane of its solar orbit. In 1589, images from Wayfinder 4 showed Oujaixyuany as an almost featureless planet in visible light, without the cloud bands or storms associated with the other huge cold gas giants.
AtmosphereCarbon monoxide58%
Hydrogen deuteride (HD)18%
Methane10%
Hydrogen chloride4.1%
Ammonium hydrosulfide (NH4SH)3.9%
Ammonia2.8%
Krypton2.3%
Hydrogen0.29%
Helium0.00064%
Atmospheric pressure10 bar
artist's rendition
MoonFyoufol ErMedium-sized irregular gaseous asteroid
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