HD 190228 · G5 IV
HD 190228 b
Rank #363 of the ranked catalogue · Discovered by Radial Velocity in 2022
HZ 100%measured
0.118
Earth-2.0 index
0.516
Earth Similarity Index
100%
Habitable-zone probability
12.90 R⊕
Radius
Planet
Mass1598.677 M⊕measured
Bulk density4.090 g/cm³
Orbital period1143.5986 days
Semi-major axis2.40600 au
Eccentricity0.559
Incident flux0.860 S⊕
Equilibrium temperature244.8 K
Maximum angular separation38.36 masReflected-light contrast 4.99e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 190228
Spectral typeG5 IV
Effective temperature5360 K
Radius2.587 R☉
Mass1.415 M☉
Distance62.7 pc / 204.5 ly
DiscoveryRadial Velocity, 2022