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Info for exoplanet "Homure Bya"


Scientific (actual) data
PlanetHD 171028 b
Planet statusConfirmed
Mass sini1.98
Orbital period550
Semi major axis1.32
Orbit eccentricity0.59
Angular distance0.014667
Discovered2007
Updated2010-11-09
Omega304
Tperi2454190
PublicationSubmitted to a professional journal
Detection typeRadial Velocity
Star nameHD 171028
Right ascension278.06°
Declination6.95°
Mag v8.31
Star distance90
Star metallicity-0.49
Star mass0.99
Star radius1.95
Star sp typeG0
Star age8
Star temperature5663
Wikipedia articleHD 171028 b

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Fictional info (?)
Suggested nameHomure Bya
Planet typeCold planet
Homure Bya is a terrestrial planet with a thin atmosphere, having surface features reminiscent both of the impact craters of the Moon and the valleys, deserts, and polar ice caps of Earth. Homure Bya is orbiting HD 171028 every 550 Earth days. It is the second-brightest natural object in the night sky after Tezawa, reaching an apparent magnitude of -5 - bright enough to cast shadows at night and, sometimes, visible to the naked eye in broad daylight.

This cold planet is named after the deity Homure Bya, the creator of chaos.

As seen from HD 171028, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.

In late February 3300, Homure Bya was visited by the New Horizons probe, which used Homure Bya's gravity to increase its speed and bend its trajectory en route to Tezawa. The latest probe to visit the planet is Pointer, which entered into orbit around Homure Bya after a very expensive trip.
AtmosphereHydrogen82%
Xenon15%
Nitric oxide2.4%
Atmospheric pressure19 bar
artist's rendition
No known satellites
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