Finding Earth 2.0
HD 18015 · G6 IV

HD 18015 b

Rank #464 of the ranked catalogue · Discovered by Radial Velocity in 2018

HZ 100%measured

0.115

Earth-2.0 index

0.466

Earth Similarity Index

100%

Habitable-zone probability

13.10 R⊕

Radius

Planet

Mass1048.834 M⊕measured
Bulk density2.560 g/cm³
Orbital period2278.0000 days
Semi-major axis3.87000 au
Eccentricity0.148
Incident flux0.629 S⊕
Equilibrium temperature226.3 K
Maximum angular separation31.26 masReflected-light contrast 1.99e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 18015
Spectral typeG6 IV
Effective temperature5603 K
Radius3.130 R☉
Mass1.490 M☉
Distance123.8 pc / 403.8 ly
DiscoveryRadial Velocity, 2018