Finding Earth 2.0
HIP 18606 · K0/1 III

HIP 18606 b

Rank #2418 of the ranked catalogue · Discovered by Radial Velocity in 2025

HZ 0%M sin i

0.093

Earth-2.0 index

0.294

Earth Similarity Index

0%

Habitable-zone probability

14.00 R⊕

Radius

Planet

Mass244.728 M⊕M sin i
Bulk density0.490 g/cm³
Orbital period674.9400 days
Semi-major axis1.61000 au
Eccentricity
Incident flux4.429 S⊕
Equilibrium temperature368.8 K
Maximum angular separation34.23 masReflected-light contrast 1.31e-8 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 coverage64%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 18606
Spectral typeK0/1 III
Effective temperature4860 K
Radius4.830 R☉
Mass1.210 M☉
Distance47.0 pc / 153.4 ly
DiscoveryRadial Velocity, 2025