Finding Earth 2.0
Kepler-52 · M0 V

Kepler-52 d

Rank #1604 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%upper limit

0.099

Earth-2.0 index

0.370

Earth Similarity Index

0%

Habitable-zone probability

1.95 R⊕

Radius

Planet

Mass88.877 M⊕upper limit
Bulk density18.000 g/cm³
Orbital period36.4452 days
Semi-major axis0.18200 au
Eccentricity0.000
Incident flux2.945 S⊕
Equilibrium temperature333.0 K
Transit-time σ at 203075.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.57 masReflected-light contrast 1.99e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources9 · 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-52
Spectral typeM0 V
Effective temperature4263 K
Radius0.556 R☉
Mass0.577 M☉
Distance321.5 pc / 1048.7 ly
DiscoveryTransit, 2014