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Proper NameNone
DesignationsPsi1 Aquarii Ab, 91 Aquarii Ab, HD 219449 Ab, Gliese 893.2 Ab
As the only known planet in the system, often designated simply 'b' rather than 'A b':
Psi1 Aquarii b, 91 Aquarii b, HD 219449 b, Gliese 893.2 b
ClassificationGas giant
Orbital Period181.4 days
Mean Distance from Psi1 Aquarii Ac.104 million km
0.70 AU
Mass3.2 x Jupiter
DiameterNot known
Mean Surface TemperatureNot known
NotesPsi1 Aquarii is a triple system containing three orange stars, with two of those stars forming a binary pair that orbits a third more massive star, Psi1 Aquarii A. The gas giant Psi1 Aquarii Ab orbits this primary orange giant star.


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