Finding Earth 2.0
K2-125

K2-125 b

Rank #229 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%inferred

0.122

Earth-2.0 index

0.713

Earth Similarity Index

0%

Habitable-zone probability

2.18 R⊕

Radius

Planet

Mass5.390 M⊕inferred
Bulk density2.860 g/cm³
Orbital period21.7503 days
Semi-major axis0.12100 au
Eccentricity0.080
Incident flux2.000 S⊕
Equilibrium temperature302.3 K
Transit-time σ at 2030693.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.97 masReflected-light contrast 5.63e-8 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

HostK2-125
Spectral typeM
Effective temperature3654 K
Radius0.402 R☉
Mass0.495 M☉
Distance124.2 pc / 404.9 ly
DiscoveryTransit, 2017