Finding Earth 2.0
K2-198

K2-198 c

Discovered by Transit in 2019

unknowninferred

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

1.42 R⊕

Radius

Planet

Mass2.610 M⊕inferred
Bulk density4.980 g/cm³
Orbital period3.3596 days
Semi-major axis— au
Eccentricity
Incident flux— S⊕
Equilibrium temperature1229.9 K
Transit-time σ at 20309.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.37 masReflected-light contrast 2.12e-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

HostK2-198
Spectral typeG
Effective temperature5213 K
Radius0.757 R☉
Mass0.799 M☉
Distance110.6 pc / 360.6 ly
DiscoveryTransit, 2019