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Public Universe

Exoplanet

HD 149143 b

239.01 light-years

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Discovery
Radial Velocity · 2005
Radius
13.6 Earth radii
Mass
422.7139 (+47.6745 / −47.6745) Earth masses
Orbital period
4.0718 (+1 × 10⁻⁵ / −1 × 10⁻⁵) days
Semi-major axis
0.053 (+2.9 × 10⁻³ / −2.9 × 10⁻³) AU
Equilibrium temperature
1,471.9 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