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Exoplanet

Kepler-23 d

2,725.87 light-years

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Discovery
Transit · 2014
Radius
2.206 (+0.057 / −0.057) Earth radii
Mass
4.44 (+1.3 / −1.21) Earth masses
Orbital period
15.27 days
Semi-major axis
0.1201 (+9.4 × 10⁻⁴ / −9.4 × 10⁻⁴) AU
Equilibrium temperature
896 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