Finding Earth 2.0
Kepler-441

Kepler-441 b

Rank #30 of the ranked catalogue · Discovered by Transit in 2015

HZ 30%inferred

0.343

Earth-2.0 index

0.651

Earth Similarity Index

30%

Habitable-zone probability

1.64 R⊕

Radius

Planet

Mass3.330 M⊕inferred
Bulk density4.150 g/cm³
Orbital period207.2482 days
Semi-major axis0.64000 au
Eccentricity0.100
Incident flux0.210 S⊕
Equilibrium temperature172.1 K
Transit-time σ at 2030105.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.39 masReflected-light contrast 1.14e-9 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-441
Spectral typeK
Effective temperature4340 K
Radius0.550 R☉
Mass0.572 M☉
Distance268.0 pc / 874.1 ly
DiscoveryTransit, 2015