Finding Earth 2.0
GJ 338 B · M0 V

GJ 338 B b

Rank #445 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 0%M sin i

0.115

Earth-2.0 index

0.534

Earth Similarity Index

0%

Habitable-zone probability

3.25 R⊕

Radius

Planet

Mass10.600 M⊕M sin i
Bulk density1.700 g/cm³
Orbital period24.4220 days
Semi-major axis0.14200 au
Eccentricity0.109
Incident flux3.928 S⊕
Equilibrium temperature357.9 K
Maximum angular separation22.42 masReflected-light contrast 9.09e-8 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 338 B
Spectral typeM0 V
Effective temperature4014 K
Radius0.580 R☉
Mass0.640 M☉
Distance6.3 pc / 20.7 ly
DiscoveryRadial Velocity, 2020