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Public Universe

Exoplanet

KMT-2016-BLG-1397L b

21,526.32 light-years

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Discovery
Microlensing · 2018
Radius
12.7 Earth radii
Mass
2,200 (+1,700 / −1,400) Earth masses
Orbital period
Unknown
Semi-major axis
5.1 (+1.5 / −1.7) AU
Equilibrium temperature
Unknown
Mass provenance
Mass

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