Finding Earth 2.0
Kepler-444 · K

Kepler-444 d

Rank #1696 of the ranked catalogue · Discovered by Transit in 2015

HZ 0%measured

0.099

Earth-2.0 index

0.283

Earth Similarity Index

0%

Habitable-zone probability

0.53 R⊕

Radius

Planet

Mass0.200 M⊕measured
Bulk density7.900 g/cm³
Orbital period6.1894 days
Semi-major axis0.06000 au
Eccentricity0.180
Incident flux109.638 S⊕
Equilibrium temperature822.5 K
Transit-time σ at 203021.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.65 masReflected-light contrast 1.35e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-444
Spectral typeK
Effective temperature5046 K
Radius0.752 R☉
Mass0.758 M☉
Distance36.4 pc / 118.9 ly
DiscoveryTransit, 2015