About Kepler-588 b
Kepler-588 b is a rare exoplanet. It lies about 3,944.5 light-years from Earth, shines at apparent magnitude 14.8, has an equilibrium temperature near 1,176 K and spans roughly 2.63 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.