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Info for exoplanet "Petungr"


Scientific (actual) data
PlanetKepler-559 b
Planet statusConfirmed
Radius0.322
Orbital period17.5875
Discovered2016
Updated2021-02-05
Tconj2455010
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19463284+4348100 b, K00460.01, KIC 8043638 b, KOI-460 b, KOI-460.01, WISE J194632.84+434809.1 b
Star nameKepler-559
Right ascension296.64°
Declination43.8°
Mag j13.429
Mag h13.031
Mag k12.977
Star distance793
Star metallicity0.03
Star mass0.96
Star radius0.95
Star age4.37
Star temperature5630
Star alternate names2MASS J19463284+4348100, KIC 8043638, KOI-460, WISE J194632.84+434809.1
Wikipedia articleKepler-559 b

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Fictional info (?)
Suggested namePetungr
Planet typeCold planet
When viewed from Beme-hephaë, Petungr can reach an apparent magnitude of -3, bright enough for its reflected light to cast shadows, and making it on average the third-brightest object in the night sky. The planet is named after the deity Petungr, the demon of chaos.

Petungr's surface appears quite rippled and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years.

Two spacecraft have visited Petungr: Wayfinder 8 flew by 30 years ago; and Messenger, launched 15 years ago, orbited Petungr over 175 times in four years before exhausting its fuel and crashing into the planet's surface 5 years later.

A prominent result is the "great gray spot", a giant storm that is known to have existed for centuries since it was first observed by radar.

Observations from Earth have shown seasonal change and increased weather activity as Petungr approached its equinox 4 years ago.
AtmosphereHydrogen40%
Xenon34%
Hydrogen deuteride (HD)24%
Ethane1.4%
2H2O0.44%
Sulfur dioxide0.16%
Carbon monoxide0.00015%
Atmospheric pressure1.2 bar
artist's rendition
No known satellites
Google search for Petungr


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