Finding Earth 2.0
K2-338

K2-338 b

Discovered by Transit in 2021

unknowninferred

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

1.03 R⊕

Radius

Planet

Mass1.080 M⊕inferred
Bulk density5.430 g/cm³
Orbital period3.8506 days
Semi-major axis— au
Eccentricity
Incident flux— S⊕
Equilibrium temperature783.0 K
Transit-time σ at 203024.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.27 masReflected-light contrast 1.05e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage78%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-338
Spectral typeK
Effective temperature4558 K
Radius0.630 R☉
Mass0.660 M☉
Distance157.0 pc / 511.9 ly
DiscoveryTransit, 2021