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Public Universe

Exoplanet

Kepler-203 c

2,293.86 light-years

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Discovery
Transit · 2014
Radius
2.47 (+0.47 / −0.47) Earth radii
Mass
749.9 (+419.1 / −344.7) Earth masses
Orbital period
5.3706 (+8 × 10⁻⁶ / −8 × 10⁻⁶) days
Semi-major axis
0.061 AU
Equilibrium temperature
1,096 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