HD 219828 · G0 IV
HD 219828 b
Rank #4997 of the ranked catalogue · Discovered by Radial Velocity in 2007
HZ 0%M sin i
0.068
Earth-2.0 index
0.109
Earth Similarity Index
0%
Habitable-zone probability
4.59 R⊕
Radius
Planet
Mass19.070 M⊕M sin i
Bulk density1.080 g/cm³
Orbital period3.8348 days
Semi-major axis0.04900 au
Eccentricity0.091
Incident flux1095.488 S⊕
Equilibrium temperature1462.4 K
Maximum angular separation0.67 masReflected-light contrast 1.52e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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 219828
Spectral typeG0 IV
Effective temperature5891 K
Radius1.560 R☉
Mass1.040 M☉
Distance73.1 pc / 238.5 ly
DiscoveryRadial Velocity, 2007