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Exoplanet

Kepler-178 d

2,335.36 light-years

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Discovery
Transit · 2014
Radius
3.95 (+1.7 / −1.7) Earth radii
Mass
14.8 Earth masses
Orbital period
96.679 (+7.02 × 10⁻⁴ / −7.02 × 10⁻⁴) days
Semi-major axis
0.397 AU
Equilibrium temperature
392 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