HD 4203 · G5
HD 4203 b
Rank #676 of the ranked catalogue · Discovered by Radial Velocity in 2001
HZ 0%M sin i
0.111
Earth-2.0 index
0.449
Earth Similarity Index
0%
Habitable-zone probability
13.30 R⊕
Radius
Planet
Mass708.761 M⊕M sin i
Bulk density1.660 g/cm³
Orbital period431.8800 days
Semi-major axis1.17000 au
Eccentricity0.520
Incident flux1.434 S⊕
Equilibrium temperature278.2 K
Maximum angular separation14.38 masReflected-light contrast 2.24e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 4203
Spectral typeG5
Effective temperature5596 K
Radius1.420 R☉
Mass1.250 M☉
Distance81.4 pc / 265.4 ly
DiscoveryRadial Velocity, 2001