About Kepler-207 d
Kepler-207 d is a rare exoplanet. It lies about 2,855.6 light-years from Earth, shines at apparent magnitude 13.16, has an equilibrium temperature near 1,254 K and spans roughly 3.31 Earth radii.
It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.