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Exoplanet

Kepler-1447 b

2,903.76 light-years

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Discovery
Transit · 2016
Radius
2.9 (+0.5 / −0.24) Earth radii
Mass
8.75 Earth masses
Orbital period
56.6747 (+3.978 × 10⁻⁴ / −3.978 × 10⁻⁴) days
Semi-major axis
0.2836 AU
Equilibrium temperature
522 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: 2026-10-13T04:11:20.563393+00:00