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Exoplanet

Kepler-404 c

2,650.1 light-years

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Discovery
Transit · 2014
Radius
1.72 (+0.85 / −0.85) Earth radii
Mass
3.61 Earth masses
Orbital period
14.7512 (+2.61 × 10⁻⁴ / −2.61 × 10⁻⁴) days
Semi-major axis
0.118 AU
Equilibrium temperature
678 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