Finding Earth 2.0
Kepler-139

Kepler-139 d

Rank #1918 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%measured

0.097

Earth-2.0 index

0.258

Earth Similarity Index

0%

Habitable-zone probability

1.70 R⊕

Radius

Planet

Mass2.000 M⊕measured
Bulk density5.271 g/cm³
Orbital period7.3057 days
Semi-major axis0.07555 au
Eccentricity0.000
Incident flux172.300 S⊕
Equilibrium temperature921.0 K
Maximum angular separation0.19 masReflected-light contrast 8.74e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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

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