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Exoplanet

Kepler-296 d

544.68 light-years

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Discovery
Transit · 2014
Radius
2.09 (+0.33 / −0.32) Earth radii
Mass
5.02 Earth masses
Orbital period
19.8503 (+6.1 × 10⁻⁵ / −5.7 × 10⁻⁵) days
Semi-major axis
0.118 (+0.02 / −0.02) AU
Equilibrium temperature
403 (+21.5 / −21.5) 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