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Exoplanet

Kepler-817 b

4,841.66 light-years

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Discovery
Transit · 2016
Radius
9.03 (+2.06 / −1.13) Earth radii
Mass
60.2 Earth masses
Orbital period
3.9901 (+1.358 × 10⁻⁶ / −1.358 × 10⁻⁶) days
Semi-major axis
0.0493 AU
Equilibrium temperature
1,124 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