Finding Earth 2.0
GJ 3138 · M0

GJ 3138 c

Rank #753 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.110

Earth-2.0 index

0.500

Earth Similarity Index

0%

Habitable-zone probability

1.88 R⊕

Radius

Planet

Mass4.180 M⊕M sin i
Bulk density3.460 g/cm³
Orbital period5.9740 days
Semi-major axis0.05700 au
Eccentricity0.110
Incident flux13.900 S⊕
Equilibrium temperature490.8 K
Maximum angular separation2.00 masReflected-light contrast 1.89e-7 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 3138
Spectral typeM0
Effective temperature3717 K
Radius0.500 R☉
Mass0.681 M☉
Distance28.5 pc / 92.9 ly
DiscoveryRadial Velocity, 2017