Finding Earth 2.0
HD 224538 · F8/G0 IV/V

HD 224538 b

Rank #356 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 100%measured

0.118

Earth-2.0 index

0.474

Earth Similarity Index

100%

Habitable-zone probability

12.70 R⊕

Radius

Planet

Mass2075.737 M⊕measured
Bulk density5.570 g/cm³
Orbital period1202.0520 days
Semi-major axis2.37500 au
Eccentricity0.476
Incident flux0.523 S⊕
Equilibrium temperature216.2 K
Maximum angular separation30.04 masReflected-light contrast 4.96e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 224538
Spectral typeF8/G0 IV/V
Effective temperature6097 K
Radius1.540 R☉
Mass1.230 M☉
Distance79.1 pc / 257.9 ly
DiscoveryRadial Velocity, 2016