koi55Lapesaxa Atan (KOI-55 c), Exoplanets, Astro, by Joachip. Scientific (actual) data; Planet: KOI-55 c: Planet status: Confirmed: Planet massKOI-55 b; KOI-55 b is an exoplanet orbiting the star KOI-55. Its discovery was publicly announced on 2011. The host star KOI-55 has apparent magnitude of 14.9, with absolute magnitude of 25.0.