Finding Earth 2.0
HD 155918 · G2V

HD 155918 c

Rank #3880 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.081

Earth-2.0 index

0.168

Earth Similarity Index

0%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1878.048 M⊕measured
Bulk density4.920 g/cm³
Orbital period17202.1945 days
Semi-major axis13.18300 au
Eccentricity0.071
Incident flux0.006 S⊕
Equilibrium temperature70.7 K
Maximum angular separation478.32 masReflected-light contrast 1.64e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 155918
Spectral typeG2V
Effective temperature5772 K
Radius1.019 R☉
Mass1.030 M☉
Distance27.6 pc / 89.9 ly
DiscoveryRadial Velocity, 2022