Finding Earth 2.0
K2-108

K2-108 b

Rank #4298 of the ranked catalogue · Discovered by Transit in 2017

HZ 0%measured

0.076

Earth-2.0 index

0.129

Earth Similarity Index

0%

Habitable-zone probability

5.33 R⊕

Radius

Planet

Mass59.400 M⊕measured
Bulk density2.220 g/cm³
Orbital period4.7340 days
Semi-major axis0.05810 au
Eccentricity0.180
Incident flux762.000 S⊕
Equilibrium temperature1335.5 K
Transit-time σ at 2030370.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 1.46e-6 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-108
Spectral typeG
Effective temperature5599 K
Radius1.760 R☉
Mass1.170 M☉
Distance477.3 pc / 1556.7 ly
DiscoveryTransit, 2017