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Public Universe

Exoplanet

Gliese 12 b

39.82 light-years

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Discovery
Transit · 2024
Radius
0.93 (+0.06 / −0.06) Earth radii
Mass
0.95 (+0.29 / −0.3) Earth masses
Orbital period
12.7614 (+6 × 10⁻⁵ / −5.5 × 10⁻⁵) days
Semi-major axis
0.067 (+5 × 10⁻⁴ / −6 × 10⁻⁴) AU
Equilibrium temperature
314.6 (+6 / −5.4) K
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