Finding Earth 2.0
K2-408 · G7

K2-408 b

Discovered by Transit in 2022

unknowninferred

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

1.68 R⊕

Radius

Planet

Mass3.450 M⊕inferred
Bulk density4.020 g/cm³
Orbital period20.9790 days
Semi-major axis— au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030404.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.86 masReflected-light contrast 2.53e-8 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostK2-408
Spectral typeG7
Effective temperature5335 K
Radius0.784 R☉
Mass0.813 M☉
Distance162.3 pc / 529.4 ly
DiscoveryTransit, 2022