Finding Earth 2.0
GJ 317 · M3.5 V

GJ 317 c

Rank #5366 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 0%M sin i

0.060

Earth-2.0 index

0.078

Earth Similarity Index

0%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass454.495 M⊕M sin i
Bulk density0.993 g/cm³
Orbital period6500.0000 days
Semi-major axis5.04000 au
Eccentricity0.217
Incident flux0.001 S⊕
Equilibrium temperature42.8 K
Maximum angular separation331.65 masReflected-light contrast 1.26e-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 317
Spectral typeM3.5 V
Effective temperature3496 K
Radius0.403 R☉
Mass0.402 M☉
Distance15.2 pc / 49.6 ly
DiscoveryRadial Velocity, 2016