Finding Earth 2.0
GJ 179 · M3.5 V

GJ 179 b

Rank #4891 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%measured

0.069

Earth-2.0 index

0.104

Earth Similarity Index

0%

Habitable-zone probability

13.80 R⊕

Radius

Planet

Mass301.937 M⊕measured
Bulk density0.631 g/cm³
Orbital period2288.0000 days
Semi-major axis2.41000 au
Eccentricity0.210
Incident flux0.003 S⊕
Equilibrium temperature58.5 K
Maximum angular separation195.05 masReflected-light contrast 5.69e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 179
Spectral typeM3.5 V
Effective temperature3370 K
Radius0.380 R☉
Mass0.357 M☉
Distance12.4 pc / 40.3 ly
DiscoveryRadial Velocity, 2009