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Public Universe

Exoplanet

Kepler-452 b

1,799.49 light-years

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The archive flags this planet’s confirmation as questioned in the literature.

Discovery
Transit · 2015
Radius
1.63 (+0.23 / −0.2) Earth radii
Mass
3.29 Earth masses
Orbital period
384.843 (+7 × 10⁻³ / −0.012) days
Semi-major axis
1.046 (+0.019 / −0.015) AU
Equilibrium temperature
265 (+15 / −13) K
Mass provenance
M-R relationship

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00