About Kepler-1220 b
Kepler-1220 b is a rare exoplanet. It lies about 3,137.3 light-years from Earth, shines at apparent magnitude 15.19, has an equilibrium temperature near 899 K and spans roughly 1.52 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.