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Info for exoplanet "Ekyume Nachi"


Scientific (actual) data
PlanetNu Oph b
Planet statusConfirmed
Mass sini22.206
Orbital period530.21
Semi major axis1.79
Orbit eccentricity0.124
Angular distance0.038462
Discovered2004
Updated2019-04-02
Omega9.93
Tperi2452030
K288.26
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameNu Oph
Right ascension269.76°
Declination-9.77°
Mag v3.33
Star distance46.8
Star metallicity0.13
Star mass3.04
Star radius15.1
Star sp typeK0III
Star temperature4928
Wikipedia articlenu Oph b

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Fictional info (?)
Suggested nameEkyume Nachi
Planet typeCold planet
This cold planet is named after the deity Ekyume Nachi, the creator of love and beauty.

Ekyume Nachi is gravitationally locked with nu Oph in a 2:1 spin-orbit resonance, and rotates in a way that is unique in its solar system.

Two spacecraft have visited Ekyume Nachi: Frontier 10 flew by 23 years ago; and Messenger, launched 16 years ago, orbited Ekyume Nachi over 95 times in four years before exhausting its pwoer source and crashing into the planet's surface 11 years later.

Ekyume Nachi has been explored on several occasions by robotic spacecraft, most notably during the early Pioneer and Wayfinder flyby missions and later by the Galileo orbiter. The latest probe to visit the planet is Racer, which entered into orbit around Ekyume Nachi after a challenging trip.
AtmosphereCarbonyl sulfide44%
Hydrogen27%
Oxygen18%
Ethane5.9%
Ozone4.5%
Carbon dioxide0.27%
Methane0.058%
Nitric oxide0.014%
Atmospheric pressure5 bar
artist's rendition
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Google search for Ekyume nachi


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