About Kepler-1289 b
Kepler-1289 b is a rare exoplanet. It lies about 3,436.3 light-years from Earth, shines at apparent magnitude 14.73, has an equilibrium temperature near 1,113 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.