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Public Universe

Exoplanet

HIP 54373 c

61.05 light-years

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Discovery
Radial Velocity · 2019
Radius
3.57 Earth radii
Mass
12.44 (+2.11 / −2.11) Earth masses
Orbital period
15.144 (+8 × 10⁻³ / −8 × 10⁻³) days
Semi-major axis
0.099 (+2 × 10⁻³ / −2 × 10⁻³) AU
Equilibrium temperature
463.2 (+22.98 / −22.98) K
Mass provenance
Msini

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