About Kepler-1819 b
Kepler-1819 b is an uncommon exoplanet. It lies about 4,446.1 light-years from Earth, shines at apparent magnitude 15.49, has an equilibrium temperature near 760 K and spans roughly 3.9 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.