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Public Universe

Exoplanet

HD 143105 b

152.57 light-years

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Discovery
Radial Velocity · 2016
Radius
13.7 Earth radii
Mass
384.5743 (+19.0698 / −19.0698) Earth masses
Orbital period
2.1974 (+3 × 10⁻⁴ / −3 × 10⁻⁴) days
Semi-major axis
0.0379 (+9 × 10⁻⁴ / −9 × 10⁻⁴) AU
Equilibrium temperature
2,028.25 (+32.32 / −32.32) 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