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Info for exoplanet "Donaigi"


Scientific (actual) data
PlanetKepler-1575 b
Planet statusConfirmed
Radius0.117
Orbital period2.55314
Discovered2016
Updated2021-02-05
Tconj2454970
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19345838+4545417 b, K04241.01, KIC 9285568 b, KOI-4241 b, KOI-4241.01, WISE J193458.38+454541.5 b
Star nameKepler-1575
Right ascension293.74°
Declination45.76°
Mag j14.268
Mag h13.871
Mag k13.828
Star distance1170
Star metallicity-0.07
Star mass0.95
Star radius0.92
Star age4.17
Star temperature5667
Star alternate names2MASS J19345838+4545417, KIC 9285568, KOI-4241, WISE J193458.38+454541.5
Wikipedia articleKepler-1575 b

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Fictional info (?)
Suggested nameDonaigi
Planet typeCold planet
For this reason, scientists often classify Donaigi and Hebehe Nu as "cold planets" to distinguish them from the other planets. The planet is named after the deity Donaigi, the demon of dreams.

Two spacecraft have visited Donaigi: Frontier 5 flew by 44 years ago; and Messenger, launched 8 years ago, orbited Donaigi over 65 times in four years before exhausting its reactor and crashing into the planet's surface 11 years later.

It has the densest atmosphere of any cold planets, consisting primarily of nitrogen.

Donaigi's hazy clouds render observation of its surface difficult in ultraviolet light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 42 years ago.
AtmosphereNitrogen63%
Carbonyl sulfide24%
Oxygen12%
Atmospheric pressure19 bar
artist's rendition
MoonPinu'tata JoryaHuge almost round rocky moon
Moupuro-chiwahaVery small irregular ice asteroid
ZebyuVery small slightly egg-shaped rocky asteroid
Kitecha KikuSmall round gaseous moon
Kyusha BohyaMedium-sized round crater-filled asteroid
Byuhira HyohiryoSmall potato shaped ice moon
Google search for Donaigi


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