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Public Universe

Exoplanet

HD 102888 b

412.54 light-years

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Discovery
Radial Velocity · 2025
Radius
12.8 Earth radii
Mass
1,808.4436 (+47.6743 / −47.6743) Earth masses
Orbital period
252.06 (+0.24 / −0.24) days
Semi-major axis
1.05 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
688.63 (+8.68 / −8.68) 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