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Exoplanet

KIC 9663113 b

5,201.35 light-years

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Discovery
Transit · 2015
Radius
4.6 (+0.6 / −0.7) Earth radii
Mass
19.2 Earth masses
Orbital period
572.3847 (+5.83 × 10⁻³ / −5.67 × 10⁻³) days
Semi-major axis
1.5535 (+0.0102 / −0.0102) AU
Equilibrium temperature
264 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