Finding Earth 2.0
HD 18143 · K2

HD 18143 b

Rank #2618 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.091

Earth-2.0 index

0.281

Earth Similarity Index

0%

Habitable-zone probability

3.28 R⊕

Radius

Planet

Mass10.806 M⊕M sin i
Bulk density1.680 g/cm³
Orbital period10.2851 days
Semi-major axis0.08800 au
Eccentricity0.224
Incident flux61.873 S⊕
Equilibrium temperature712.9 K
Maximum angular separation3.91 masReflected-light contrast 2.41e-7 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 18143
Spectral typeK2
Effective temperature5078 K
Radius0.870 R☉
Mass0.850 M☉
Distance22.5 pc / 73.5 ly
DiscoveryRadial Velocity, 2022