Finding Earth 2.0
TOI-139

TOI-139 b

Rank #1652 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%inferred

0.099

Earth-2.0 index

0.406

Earth Similarity Index

0%

Habitable-zone probability

2.46 R⊕

Radius

Planet

Mass6.600 M⊕inferred
Bulk density2.450 g/cm³
Orbital period11.0709 days
Semi-major axis— au
Eccentricity
Incident flux22.422 S⊕
Equilibrium temperature553.1 K
Transit-time σ at 203016.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.03 masReflected-light contrast 1.42e-7 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 coverage70%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-139
Spectral typeK
Effective temperature4570 K
Radius0.701 R☉
Mass0.690 M☉
Distance42.4 pc / 138.3 ly
DiscoveryTransit, 2023