HIP 19976
HIP 19976 b
Rank #873 of the ranked catalogue · Discovered by Radial Velocity in 2022
HZ 0%M sin i
0.108
Earth-2.0 index
0.457
Earth Similarity Index
0%
Habitable-zone probability
4.94 R⊕
Radius
Planet
Mass21.612 M⊕M sin i
Bulk density0.985 g/cm³
Orbital period50.6591 days
Semi-major axis0.23400 au
Eccentricity0.304
Incident flux3.405 S⊕
Equilibrium temperature345.3 K
Maximum angular separation5.81 masReflected-light contrast 7.74e-8 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
HostHIP 19976
Spectral typeK
Effective temperature4316 K
Radius0.772 R☉
Mass0.670 M☉
Distance40.3 pc / 131.3 ly
DiscoveryRadial Velocity, 2022