Finding Earth 2.0
HD 147018 · G9 V

HD 147018 b

Rank #2553 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.091

Earth-2.0 index

0.285

Earth Similarity Index

0%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass674.000 M⊕M sin i
Bulk density1.540 g/cm³
Orbital period44.2360 days
Semi-major axis0.23880 au
Eccentricity0.469
Incident flux12.484 S⊕
Equilibrium temperature477.8 K
Maximum angular separation5.91 masReflected-light contrast 5.47e-7 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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 147018
Spectral typeG9 V
Effective temperature5441 K
Radius0.938 R☉
Mass0.927 M☉
Distance40.4 pc / 131.9 ly
DiscoveryRadial Velocity, 2009