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Exoplanet

Kepler-338 e

1,802.99 light-years

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Discovery
Transit · 2014
Radius
1.56 (+0.07 / −0.07) Earth radii
Mass
8.5 (+7.2 / −6.3) Earth masses
Orbital period
9.341 days
Semi-major axis
0.0898 (+6.4 × 10⁻⁴ / −6.4 × 10⁻⁴) AU
Equilibrium temperature
1,143 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