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Exoplanet

Kepler-820 b

4,524.44 light-years

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Discovery
Transit · 2016
Radius
6.09 (+2.68 / −0.89) Earth radii
Mass
30.8 Earth masses
Orbital period
127.8338 (+3.082 × 10⁻⁴ / −3.082 × 10⁻⁴) days
Semi-major axis
0.56 (+3.64 × 10⁻³ / −3.64 × 10⁻³) AU
Equilibrium temperature
554 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