Finding Earth 2.0
HD 118203 · K0 IV

HD 118203 b

Rank #4663 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%measured

0.072

Earth-2.0 index

0.107

Earth Similarity Index

0%

Habitable-zone probability

12.78 R⊕

Radius

Planet

Mass680.153 M⊕measured
Bulk density1.790 g/cm³
Orbital period6.1350 days
Semi-major axis0.07130 au
Eccentricity0.314
Incident flux593.400 S⊕
Equilibrium temperature1254.6 K
Transit-time σ at 20302.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.77 masReflected-light contrast 5.58e-6 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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 118203
Spectral typeK0 IV
Effective temperature5742 K
Radius2.040 R☉
Mass1.270 M☉
Distance92.3 pc / 300.9 ly
DiscoveryRadial Velocity, 2005