Finding Earth 2.0
HD 211810 · G5

HD 211810 b

Rank #2899 of the ranked catalogue · Discovered by Radial Velocity in 2018

HZ 16%M sin i

0.089

Earth-2.0 index

0.273

Earth Similarity Index

16%

Habitable-zone probability

14.00 R⊕

Radius

Planet

Mass212.946 M⊕M sin i
Bulk density0.426 g/cm³
Orbital period1558.0000 days
Semi-major axis2.65600 au
Eccentricity0.680
Incident flux0.167 S⊕
Equilibrium temperature162.4 K
Maximum angular separation41.09 masReflected-light contrast 4.82e-9 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 211810
Spectral typeG5
Effective temperature5652 K
Radius1.130 R☉
Mass1.030 M☉
Distance64.6 pc / 210.8 ly
DiscoveryRadial Velocity, 2018