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Public Universe

Exoplanet

Kepler-52 b

1,048.73 light-years

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Discovery
Transit · 2012
Radius
2.1 Earth radii
Mass
< 135 Earth masses
Orbital period
7.8774 (+3.8 × 10⁻⁵ / −3.8 × 10⁻⁵) days
Semi-major axis
0.0637 (+2.72 × 10⁻³ / −2.72 × 10⁻³) AU
Equilibrium temperature
553 K
Mass provenance
Mass

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