GJ 229 · M1.5V
GJ 229 A c
Rank #763 of the ranked catalogue · Discovered by Radial Velocity in 2020
HZ 0%M sin i
0.110
Earth-2.0 index
0.529
Earth Similarity Index
0%
Habitable-zone probability
2.87 R⊕
Radius
Planet
Mass8.581 M⊕M sin i
Bulk density1.990 g/cm³
Orbital period121.9327 days
Semi-major axis0.38400 au
Eccentricity0.366
Incident flux0.190 S⊕
Equilibrium temperature167.8 K
Maximum angular separation66.71 masReflected-light contrast 9.70e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 229
Spectral typeM1.5V
Effective temperature3564 K
Radius0.460 R☉
Mass0.509 M☉
Distance5.8 pc / 18.8 ly
DiscoveryRadial Velocity, 2020