Finding Earth 2.0
Kepler-452 · G2

Kepler-452 b

Rank #23 of the ranked catalogue · Discovered by Transit in 2015

HZ 38%inferred

0.423

Earth-2.0 index

0.855

Earth Similarity Index

38%

Habitable-zone probability

1.63 R⊕

Radius

Planet

Mass3.290 M⊕inferred
Bulk density4.170 g/cm³
Orbital period384.8430 days
Semi-major axis1.04600 au
Eccentricity0.000
Incident flux1.100 S⊕
Equilibrium temperature260.3 K
Transit-time σ at 2030329.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.90 masReflected-light contrast 4.22e-10 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-452
Spectral typeG2
Effective temperature5757 K
Radius1.110 R☉
Mass1.037 M☉
Distance551.7 pc / 1799.5 ly
DiscoveryTransit, 2015