Finding Earth 2.0
K2-223

K2-223 b

Rank #5212 of the ranked catalogue · Discovered by Transit in 2018

HZ 0%inferred

0.064

Earth-2.0 index

0.105

Earth Similarity Index

0%

Habitable-zone probability

0.89 R⊕

Radius

Planet

Mass0.640 M⊕inferred
Bulk density4.990 g/cm³
Orbital period0.5056 days
Semi-major axis0.01270 au
Eccentricity
Incident flux5714.350 S⊕
Equilibrium temperature2210.1 K
Transit-time σ at 20301219.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 8.52e-7 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 coverage45%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-223
Spectral typeG
Effective temperature5859 K
Radius1.000 R☉
Mass1.060 M☉
Distance198.6 pc / 647.8 ly
DiscoveryTransit, 2018