About Kepler-431 b
Kepler-431 b is a rare exoplanet. It lies about 1,586.9 light-years from Earth, shines at apparent magnitude 12.14, has an equilibrium temperature near 1,032 K and spans roughly 0.76 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.