Home›Exoplanets›HAT-P-40 bHAT-P-40 bOrbiting HAT-P-40Host starHAT-P-40Discovery year2012Discovery facilityHATNetOrbital period (days)4.4572Radius (Earth radii)17.038Mass (Earth masses)152.558Equilibrium temp (K)1770Distance (parsecs)464.47