Finding Earth 2.0
HD 219134 · K3 V

HD 219134 d

Rank #191 of the ranked catalogue · Discovered by Radial Velocity in 2015

HZ 0%measured

0.124

Earth-2.0 index

0.496

Earth Similarity Index

0%

Habitable-zone probability

1.61 R⊕

Radius

Planet

Mass16.170 M⊕measured
Bulk density21.365 g/cm³
Orbital period46.8590 days
Semi-major axis0.23700 au
Eccentricity0.138
Incident flux4.720 S⊕
Equilibrium temperature374.7 K
Maximum angular separation36.29 masReflected-light contrast 8.01e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 219134
Spectral typeK3 V
Effective temperature4699 K
Radius0.778 R☉
Mass0.810 M☉
Distance6.5 pc / 21.3 ly
DiscoveryRadial Velocity, 2015