Finding Earth 2.0
Kepler-539 · G2 V

Kepler-539 b

Rank #305 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%measured

0.119

Earth-2.0 index

0.455

Earth Similarity Index

0%

Habitable-zone probability

8.37 R⊕

Radius

Planet

Mass308.295 M⊕measured
Bulk density2.900 g/cm³
Orbital period125.6324 days
Semi-major axis0.49880 au
Eccentricity0.390
Incident flux3.681 S⊕
Equilibrium temperature352.1 K
Transit-time σ at 203056.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.62 masReflected-light contrast 4.89e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-539
Spectral typeG2 V
Effective temperature5820 K
Radius0.952 R☉
Mass1.048 M☉
Distance307.3 pc / 1002.3 ly
DiscoveryTransit, 2016