Finding Earth 2.0
Kepler-401

Kepler-401 d

Rank #661 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.111

Earth-2.0 index

0.522

Earth Similarity Index

0%

Habitable-zone probability

2.27 R⊕

Radius

Planet

Mass5.770 M⊕inferred
Bulk density2.710 g/cm³
Orbital period184.2564 days
Semi-major axis0.66886 au
Eccentricity0.000
Incident flux8.485 S⊕
Equilibrium temperature433.8 K
Transit-time σ at 2030183.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.69 masReflected-light contrast 2.00e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-401
Spectral typeF
Effective temperature6184 K
Radius1.290 R☉
Mass1.170 M☉
Distance965.6 pc / 3149.2 ly
DiscoveryTransit, 2016