Finding Earth 2.0
HIP 8923 · G3 V

HIP 8923 b

Rank #2153 of the ranked catalogue · Discovered by Radial Velocity in 2026

HZ 0%measured

0.095

Earth-2.0 index

0.266

Earth Similarity Index

0%

Habitable-zone probability

12.50 R⊕

Radius

Planet

Mass3171.927 M⊕measured
Bulk density8.920 g/cm³
Orbital period5160.0000 days
Semi-major axis5.90000 au
Eccentricity0.011
Incident flux0.054 S⊕
Equilibrium temperature122.5 K
Maximum angular separation89.40 masReflected-light contrast 7.79e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 8923
Spectral typeG3 V
Effective temperature5980 K
Radius1.322 R☉
Mass1.010 M☉
Distance66.0 pc / 215.2 ly
DiscoveryRadial Velocity, 2026