Finding Earth 2.0
HD 219134 · K3 V

HD 219134 c

Rank #671 of the ranked catalogue · Discovered by Radial Velocity in 2015

HZ 0%measured

0.111

Earth-2.0 index

0.362

Earth Similarity Index

0%

Habitable-zone probability

1.51 R⊕

Radius

Planet

Mass4.360 M⊕measured
Bulk density6.950 g/cm³
Orbital period6.7646 days
Semi-major axis0.06530 au
Eccentricity0.062
Incident flux62.100 S⊕
Equilibrium temperature713.6 K
Transit-time σ at 2030353.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation10.00 masReflected-light contrast 9.29e-8 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