| Proper Name | None | | Designations | Kaffalmusalsala b, Kappa Andromedae b, 19 Andromedae b, HD 222439 b | | Classification | Uncertain; gas giant or low-mass brown dwarf | | Orbital Period | Uncertain; at least 144 years, and possibly up to 2,000 years | | Mean Distance from Kaffalmusalsala | 61.0 AU | | Mass | Uncertain; probably between 13 and 22 x Jupiter | | Diameter | c.1.2 x Jupiter | | Temperature | c.1,700 K (1,430°C) | | Parent star | Kaffalmusalsala (Kappa Andromedae), blue subgiant in Andromeda | | Other planets in this system | None | | Notes | One of the few extrasolar planets to have been directly imaged, Kaffalmusalsala 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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