Finding Earth 2.0
K2-181

K2-181 b

Rank #3530 of the ranked catalogue · Discovered by Transit in 2018

HZ 0%inferred

0.084

Earth-2.0 index

0.224

Earth Similarity Index

0%

Habitable-zone probability

2.69 R⊕

Radius

Planet

Mass7.700 M⊕inferred
Bulk density2.170 g/cm³
Orbital period6.8941 days
Semi-major axis0.07060 au
Eccentricity0.400
Incident flux192.000 S⊕
Equilibrium temperature946.2 K
Transit-time σ at 2030481.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.20 masReflected-light contrast 2.52e-7 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-181
Spectral typeG
Effective temperature5528 K
Radius1.060 R☉
Mass0.960 M☉
Distance360.9 pc / 1177.1 ly
DiscoveryTransit, 2018