GJ 251 · M3.0 V
GJ 251 b
Rank #119 of the ranked catalogue · Discovered by Radial Velocity in 2020
HZ 0%M sin i
0.129
Earth-2.0 index
0.740
Earth Similarity Index
0%
Habitable-zone probability
1.79 R⊕
Radius
Planet
Mass3.850 M⊕M sin i
Bulk density3.690 g/cm³
Orbital period14.2370 days
Semi-major axis0.08080 au
Eccentricity0.000
Incident flux2.370 S⊕
Equilibrium temperature315.4 K
Maximum angular separation14.48 masReflected-light contrast 8.52e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 251
Spectral typeM3.0 V
Effective temperature3342 K
Radius0.360 R☉
Mass0.350 M☉
Distance5.6 pc / 18.2 ly
DiscoveryRadial Velocity, 2020