About Kepler-1221 b
Kepler-1221 b is an uncommon exoplanet. It lies about 2,979.9 light-years from Earth, shines at apparent magnitude 15.91, has an equilibrium temperature near 632 K and spans roughly 1.88 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.