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Public Universe

Exoplanet

HD 13908 b

259.46 light-years

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Discovery
Radial Velocity · 2013
Radius
13.9 Earth radii
Mass
274.91 (+11.12 / −11.12) Earth masses
Orbital period
19.382 (+6 × 10⁻³ / −6 × 10⁻³) days
Semi-major axis
0.154 (+2.5 × 10⁻³ / −2.5 × 10⁻³) AU
Equilibrium temperature
993.25 (+32.55 / −32.55) 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