exoplanet_descriptions/gj_499_abb.txt Anantus Syco (GJ 499 (AB)b) - Astro
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Info for exoplanet "Anantus Syco"


Scientific (actual) data
NameGJ 499 (AB)b
Planet statusConfirmed
Planet mass60
Radius0.9
Semi major axis9706
Angular distance516
Discovered2003
Updated2025-09-29
Temperature (kelvin)1574
PublicationPublished in a refereed paper
Detection typeImaging
Mass measurement typeSpectrum
Radius measurement typeFlux
Alternate namesGJ 499 C, 2MASS J13054106+2046394
Star nameGJ 499 A
Right ascension196.56°
Declination20.73°
Mag v9.72
Star distance19.6339
Star metallicity-0.393
Star mass0.6
Star radius0.696
Star sp typeM0V
Star age4
Star temperature3967.85
Star alternate namesBD+21 2486 A
Wikipedia articleGJ 499 (AB)b

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Fictional info (?)
Suggested nameAnantus Syco
Planet typeHuge cold gas giant
It is radically different from Earth in other respects.
AtmosphereNeon49%
Ethane26%
Ozone25%
Hydrogen deuteride (HD)0.043%
Helium0.017%
Formaldehyde1.0E-6%
Atmospheric pressure11 bar
artist's rendition
MoonDyscheMedium-sized slightly egg-shaped ice asteroid
Google search for Anantus syco


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