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Exoplanet

Kepler-396 c

729.8 light-years

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Discovery
Transit · 2013
Radius
5.3 (+1.95 / −0.99) Earth radii
Mass
17.9 (+2.8 / −1.3) Earth masses
Orbital period
88.505 days
Semi-major axis
0.3895 (+1.63 × 10⁻³ / −1.63 × 10⁻³) AU
Equilibrium temperature
390 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