Finding Earth 2.0
Kepler-1309

Kepler-1309 b

Rank #1045 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.106

Earth-2.0 index

0.461

Earth Similarity Index

0%

Habitable-zone probability

2.37 R⊕

Radius

Planet

Mass6.210 M⊕inferred
Bulk density2.560 g/cm³
Orbital period28.8433 days
Semi-major axis0.16790 au
Eccentricity0.000
Incident flux13.770 S⊕
Equilibrium temperature489.7 K
Transit-time σ at 2030100.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.20 masReflected-light contrast 3.46e-8 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 coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-1309
Spectral typeG
Effective temperature5235 K
Radius0.800 R☉
Mass0.850 M☉
Distance845.0 pc / 2756.0 ly
DiscoveryTransit, 2016