Finding Earth 2.0
K2-155 · K7

K2-155 d

Rank #160 of the ranked catalogue · Discovered by Transit in 2018

HZ 2%inferred

0.126

Earth-2.0 index

0.761

Earth Similarity Index

2%

Habitable-zone probability

1.90 R⊕

Radius

Planet

Mass4.270 M⊕inferred
Bulk density3.420 g/cm³
Orbital period40.7180 days
Semi-major axis0.19370 au
Eccentricity
Incident flux1.670 S⊕
Equilibrium temperature289.0 K
Transit-time σ at 2030835.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.66 masReflected-light contrast 1.67e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage73%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-155
Spectral typeK7
Effective temperature4258 K
Radius0.580 R☉
Mass0.650 M☉
Distance72.8 pc / 237.4 ly
DiscoveryTransit, 2018