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Info for exoplanet "Pere-wone"


Scientific (actual) data
PlanetKepler-289 c
Planet statusConfirmed
Planet mass0.42
Mass sini0.013
Radius1.034
Orbital period125.852
Semi major axis0.51
Orbit eccentricity0.0115
Inclination89.794
Discovered2014
Updated2021-02-05
Omega72
Tconj2455070
Tzero tr2454980
Impact parameter0.394
PublicationAnnounced on a website
Detection typePrimary Transit
Mass detection typeRadial Velocity
Radius detection typePrimary Transit
Alternate namesPH3 c, 2MASS J19495168+4252582 c, K01353.01, KIC 7303287 c, KOI-1353 c, KOI-1353.01, WISE J194951.68+425258.2 c
Star nameKepler-289
Right ascension297.47°
Declination42.88°
Mag v12.9
Mag j12.861
Mag h12.596
Star distance700
Star metallicity0.05
Star mass1.08
Star radius1
Star age0.65
Star temperature5990
Star alternate namesPH3, 2MASS J19495168+4252582, KIC 7303287, KOI-1353, WISE J194951.68+425258.2
Wikipedia articleKepler-289 c

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Fictional info (?)
Suggested namePere-wone
Planet typeCold gas giant
It is named after the deity Pere-wone, the bringer of destruction.

An observer on Pere-wone would therefore see only one summer every two years.

Two spacecraft have visited Pere-wone: Daedalus 8 flew by 39 years ago; and Messenger, launched 23 years ago, orbited Pere-wone over 160 times in four years before exhausting its plasma drive and crashing into the planet's surface 4 years later.

Pere-wone is shrouded by an opaque layer of highly reflective clouds of sulfuric acid, preventing its surface from being seen from space in visible light.

The largest moon, Ujiqis Unakyn, has a diameter greater than that of the planet Jupiter.

In late February 1900, Pere-wone was visited by the New Horizons probe, which used Pere-wone's gravity to increase its speed and bend its trajectory en route to Vewa Nupy.

Its north and south poles, therefore, lie where most other planets have their equators.
AtmosphereHydrogen deuteride (HD)96%
Krypton2.3%
2H2O0.59%
Ammonium hydrosulfide (NH4SH)0.096%
Hydrogen peroxide0.00045%
Ammonia3.9E-5%
Atmospheric pressure3 bar
artist's rendition
MoonUjiqis UnakynLarge slightly egg-shaped ice moon
Zyhofo-xisydeLarge potato shaped ice asteroid
Fuze-xLarge potato shaped oceanic planetoid
Cata PajaHuge round oceanic moon
Ecesa Gotys OkuHuge potato shaped oceanic moon
Efoko KireqyLarge irregular ice moon
UceveVery small round crater-filled asteroid
Google search for Pere-wone


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