planet 128Cat-eLog Data Sheet; Scientific Name: Hemiancistrus sp. (L128) , 1993: Common Names: L128, Blue Phantom Pleco Blå Fantom-sugemalle ()Etymology: Greek, hemi = the half. WhileKepler-128 c is a super Earth exoplanet that orbits a F-type star. Its mass is 3.38 Earths, it takes 22.8 days to complete one orbit of its star, and is 0.16517 AU from its star.