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Exoplanet

Kepler-390 b

1,419.68 light-years

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Discovery
Transit · 2014
Radius
0.82 (+0.07 / −0.07) Earth radii
Mass
0.477 Earth masses
Orbital period
6.7381 (+6.7 × 10⁻⁵ / −6.7 × 10⁻⁵) days
Semi-major axis
0.065 AU
Equilibrium temperature
786 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