About Kepler-1620 b
Kepler-1620 b is an uncommon exoplanet. It lies about 2,919.3 light-years from Earth, shines at apparent magnitude 13.69, has an equilibrium temperature near 428 K and spans roughly 1.61 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.