Finding Earth 2.0
HD 203030 · G8 V

HD 203030 b

Rank #5640 of the ranked catalogue · Discovered by Imaging in 2006

HZ 0%measured

0.035

Earth-2.0 index

0.014

Earth Similarity Index

0%

Habitable-zone probability

14.46 R⊕

Radius

Planet

Mass3496.113 M⊕measured
Bulk density6.350 g/cm³
Orbital period— days
Semi-major axis487.10000 au
Eccentricity
Incident flux0.000 S⊕
Equilibrium temperature10.1 K
Maximum angular separation12410.10 masReflected-light contrast 1.50e-13 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage40%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 203030
Spectral typeG8 V
Effective temperature5603 K
Radius0.857 R☉
Mass0.940 M☉
Distance39.3 pc / 128.0 ly
DiscoveryImaging, 2006