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Public Universe

Exoplanet

HD 28471 c

142.35 light-years

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Discovery
Radial Velocity · 2025
Radius
2.26 Earth radii
Mass
5.72 (+0.57 / −0.72) Earth masses
Orbital period
6.1245 (+0.0856 / −9 × 10⁻⁴) days
Semi-major axis
0.065 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
1,066 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