HD 40307 · K2.5 V
HD 40307 g
Rank #140 of the ranked catalogue · Discovered by Radial Velocity in 2013
HZ 100%M sin i
0.127
Earth-2.0 index
0.700
Earth Similarity Index
100%
Habitable-zone probability
2.56 R⊕
Radius
Planet
Mass7.100 M⊕M sin i
Bulk density2.330 g/cm³
Orbital period197.8000 days
Semi-major axis0.60000 au
Eccentricity0.290
Incident flux0.638 S⊕
Equilibrium temperature227.2 K
Maximum angular separation46.38 masReflected-light contrast 3.16e-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 coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 40307
Spectral typeK2.5 V
Effective temperature4956 K
Radius0.717 R☉
Mass0.770 M☉
Distance12.9 pc / 42.2 ly
DiscoveryRadial Velocity, 2013