HD 457
HD 457 b
Rank #4682 of the ranked catalogue · Discovered by Radial Velocity in 2022
HZ 0%measured
0.072
Earth-2.0 index
0.122
Earth Similarity Index
0%
Habitable-zone probability
11.90 R⊕
Radius
Planet
Mass8445.336 M⊕measured
Bulk density27.500 g/cm³
Orbital period20324.5815 days
Semi-major axis15.36900 au
Eccentricity0.565
Incident flux0.009 S⊕
Equilibrium temperature77.9 K
Maximum angular separation279.25 masReflected-light contrast 1.04e-10 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 coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 457
Spectral typeF
Effective temperature6114 K
Radius1.282 R☉
Mass1.150 M☉
Distance55.0 pc / 179.5 ly
DiscoveryRadial Velocity, 2022