Finding Earth 2.0
Kepler-139

Kepler-139 e

Rank #2261 of the ranked catalogue · Discovered by Radial Velocity in 2023

HZ 0%measured

0.094

Earth-2.0 index

0.270

Earth Similarity Index

0%

Habitable-zone probability

13.70 R⊕

Radius

Planet

Mass378.000 M⊕measured
Bulk density0.808 g/cm³
Orbital period2047.6354 days
Semi-major axis3.23580 au
Eccentricity0.013
Incident flux0.099 S⊕
Equilibrium temperature142.6 K
Maximum angular separation8.28 masReflected-light contrast 3.11e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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

HostKepler-139
Spectral typeG
Effective temperature5622 K
Radius1.045 R☉
Mass1.078 M☉
Distance391.0 pc / 1275.4 ly
DiscoveryRadial Velocity, 2023