About Kepler-1389 b
Kepler-1389 b is an uncommon exoplanet. It lies about 1,621.3 light-years from Earth, shines at apparent magnitude 14.9, has an equilibrium temperature near 300 K and spans roughly 1.77 Earth radii.
Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.