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Proper NameNone
DesignationsKappa Andromedae b, 19 Andromedae b, HD 222439 b
ClassificationUncertain; Gas Giant or low-mass Brown Dwarf
Orbital PeriodUncertain; at least 144 years, and possibly up to 2,000 years
Mean Distance from Kappa Andromedae61.0 AU
MassUncertain; probably between 13 x Jupiter
Diameterc.1.2 x Jupiter
Mean Surface Temperaturec.1,700 K
NotesOne of the few extrasolar planets to have been directly imaged, Kappa Andromedae b pursues a distant orbit around its blue parent star. Its nature is uncertain: it may be an unusually massive gas giant, or it may be a low-mass brown dwarf.

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