Finding Earth 2.0
HD 164509 · G5

HD 164509 b

Rank #2182 of the ranked catalogue · Discovered by Radial Velocity in 2012

HZ 1%M sin i

0.094

Earth-2.0 index

0.315

Earth Similarity Index

1%

Habitable-zone probability

14.30 R⊕

Radius

Planet

Mass140.799 M⊕M sin i
Bulk density0.265 g/cm³
Orbital period280.1700 days
Semi-major axis0.87000 au
Eccentricity0.238
Incident flux1.742 S⊕
Equilibrium temperature292.0 K
Maximum angular separation16.38 masReflected-light contrast 4.69e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 164509
Spectral typeG5
Effective temperature5859 K
Radius1.110 R☉
Mass1.120 M☉
Distance53.1 pc / 173.2 ly
DiscoveryRadial Velocity, 2012