GJ 422 · M3.5 V
GJ 422 b
Rank #316 of the ranked catalogue · Discovered by Radial Velocity in 2014
HZ 0%M sin i
0.119
Earth-2.0 index
0.672
Earth Similarity Index
0%
Habitable-zone probability
3.33 R⊕
Radius
Planet
Mass11.070 M⊕M sin i
Bulk density1.650 g/cm³
Orbital period20.1290 days
Semi-major axis0.11100 au
Eccentricity0.110
Incident flux0.893 S⊕
Equilibrium temperature247.1 K
Maximum angular separation8.77 masReflected-light contrast 1.56e-7 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
HostGJ 422
Spectral typeM3.5 V
Effective temperature3323 K
Radius0.370 R☉
Mass0.350 M☉
Distance12.7 pc / 41.3 ly
DiscoveryRadial Velocity, 2014