HD 219139 · G5 III
HD 219139 b
Rank #4664 of the ranked catalogue · Discovered by Radial Velocity in 2021
HZ 0%M sin i
0.072
Earth-2.0 index
0.153
Earth Similarity Index
0%
Habitable-zone probability
14.00 R⊕
Radius
Planet
Mass247.906 M⊕M sin i
Bulk density0.496 g/cm³
Orbital period275.5000 days
Semi-major axis0.94000 au
Eccentricity0.110
Incident flux70.530 S⊕
Equilibrium temperature736.6 K
Maximum angular separation8.96 masReflected-light contrast 3.85e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 219139
Spectral typeG5 III
Effective temperature4831 K
Radius11.220 R☉
Mass1.460 M☉
Distance104.9 pc / 342.3 ly
DiscoveryRadial Velocity, 2021