koi55Myacha (KOI-55 b), Exoplanets, Astro, by Joachip. Scientific (actual) data; Planet: KOI-55 b: Planet status: Confirmed: Planet massKOI -55 is a subdwarf star located in the constellation of Cygnus, The Swan.It is not part of the Cygnus constellation out but is within the borders of the constellation. Based on