Finding Earth 2.0
K2-409 · G4

K2-409 b

Discovered by Transit in 2022

unknowninferred

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

2.48 R⊕

Radius

Planet

Mass6.720 M⊕inferred
Bulk density2.420 g/cm³
Orbital period1.9081 days
Semi-major axis— au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030197.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.07 masReflected-light contrast 1.28e-6 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

HostK2-409
Spectral typeG4
Effective temperature5742 K
Radius1.228 R☉
Mass0.886 M☉
Distance431.0 pc / 1405.8 ly
DiscoveryTransit, 2022