HD 153557 · K0
HD 153557 d
Rank #5516 of the ranked catalogue · Discovered by Radial Velocity in 2022
HZ 0%measured
0.056
Earth-2.0 index
0.058
Earth Similarity Index
0%
Habitable-zone probability
11.90 R⊕
Radius
Planet
Mass8725.661 M⊕measured
Bulk density28.500 g/cm³
Orbital period40654.6481 days
Semi-major axis21.44900 au
Eccentricity0.152
Incident flux0.001 S⊕
Equilibrium temperature39.8 K
Maximum angular separation1195.52 masReflected-light contrast 5.34e-11 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 153557
Spectral typeK0
Effective temperature4837 K
Radius0.745 R☉
Mass0.790 M☉
Distance17.9 pc / 58.5 ly
DiscoveryRadial Velocity, 2022