Finding Earth 2.0
K2-66

K2-66 b

Rank #3774 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%measured

0.082

Earth-2.0 index

0.154

Earth Similarity Index

0%

Habitable-zone probability

2.49 R⊕

Radius

Planet

Mass21.300 M⊕measured
Bulk density7.800 g/cm³
Orbital period5.0696 days
Semi-major axis0.05983 au
Eccentricity0.000
Incident flux840.000 S⊕
Equilibrium temperature1368.5 K
Transit-time σ at 20301270.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 3.01e-7 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 coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-66
Spectral typeG
Effective temperature5887 K
Radius1.670 R☉
Mass1.110 M☉
Distance513.9 pc / 1676.0 ly
DiscoveryTransit, 2016