Finding Earth 2.0
HD 206610 · K0 III

HD 206610 b

Rank #1913 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 1%M sin i

0.097

Earth-2.0 index

0.331

Earth Similarity Index

1%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass647.102 M⊕M sin i
Bulk density1.480 g/cm³
Orbital period673.2000 days
Semi-major axis1.74000 au
Eccentricity0.100
Incident flux6.243 S⊕
Equilibrium temperature401.8 K
Maximum angular separation11.82 masReflected-light contrast 1.03e-8 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 206610
Spectral typeK0 III
Effective temperature4842 K
Radius6.120 R☉
Mass1.550 M☉
Distance147.2 pc / 480.1 ly
DiscoveryRadial Velocity, 2009