HD 210277 · G0 V
HD 210277 b
Rank #1143 of the ranked catalogue · Discovered by Radial Velocity in 1998
HZ 100%M sin i
0.104
Earth-2.0 index
0.412
Earth Similarity Index
100%
Habitable-zone probability
13.60 R⊕
Radius
Planet
Mass410.001 M⊕M sin i
Bulk density0.896 g/cm³
Orbital period442.1900 days
Semi-major axis1.13000 au
Eccentricity0.480
Incident flux0.728 S⊕
Equilibrium temperature234.8 K
Maximum angular separation53.05 masReflected-light contrast 2.51e-8 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 210277
Spectral typeG0 V
Effective temperature5538 K
Radius1.070 R☉
Mass1.010 M☉
Distance21.3 pc / 69.5 ly
DiscoveryRadial Velocity, 1998