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Innes’ Star b

Gliese 422 b, LHS 40 b, Luyten 192-72 b,
HD 304043 b, HIP 55042 b

Proper NameNone
DesignationsInnes’ Star b, Gliese 422 b, LHS 40 b, Luyten 192-72 b, HD 304043 b, HIP 55042 b
ClassificationUncertain; possible ice giant
Orbital Period20 days, 3 hours
Mean Distance from Innes' Star16.5 million km
0.11 AU
Mass11.1 x Earth
DiameterNot known
TemperatureNot known
Parent starInnes' Star (Gliese 422), red dwarf in Carina
Other planets in this systemNone

The red dwarf known as Innes' Star is notable for its extreme proper motion across the celestial sphere. The blue and orange markers in this image illustrate the star's motion across the sky relative to the much more distant background stars of the Milky Way beyond. Imagery provided by Aladin sky atlas

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