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Info for exoplanet "Onyonemyo He"


Scientific (actual) data
PlanetTOI-451 d
Planet statusConfirmed
Radius0.3631
Orbital period16.3649
Semi major axis0.1255
Orbit eccentricity0.057
Inclination89.56
Discovered2021
Updated2022-03-30
Omega170
Tzero tr2458420
Impact parameter0.23
Temperature (kelvin)708
PublicationPublished in a refereed paper
Detection typePrimary Transit
Radius detection typePrimary Transit
Alternate namesPsc Eri d
Star nameTOI-451
Right ascension62.97°
Declination-37.94°
Mag v11
Star distance123.74
Star mass0.95
Star radius0.879
Star age0.125
Star temperature5550
Star alternate namesPsc Eri
Wikipedia articleTOI-451 d

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Fictional info (?)
Suggested nameOnyonemyo He
Planet typeTerrestrial
This planet is named after the deity Onyonemyo He, the goddess of prosperity.

Onyonemyo He is gravitationally locked with TOI-451 in a 4:3 spin-orbit resonance, and rotates in a way that is unique in its solar system.

Two spacecraft have visited Onyonemyo He: Frontier 4 flew by 33 years ago; and Messenger, launched 13 years ago, orbited Onyonemyo He over 95 times in four years before exhausting its pwoer source and crashing into the planet's surface 11 years later.

Future astrobiology missions are planned, including the Onyonemyo He 2900 and ExoOnyonemyo He rovers.

A prominent result is the "great yellow spot", a giant storm that is known to have existed for centuries since it was first seen by telescope.
AtmosphereHydrogen peroxide68%
Xenon31%
Hydrogen0.15%
Argon0.048%
Carbonyl sulfide1.0E-6%
Neon0%
Atmospheric pressure25 bar
artist's rendition
No known satellites
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