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Public Universe

Exoplanet

HATS-40 b

4,377.96 light-years

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Discovery
Transit · 2018
Radius
17.7102 (+1.7934 / −1.3451) Earth radii
Mass
505.3497 (+76.2792 / −76.2792) Earth masses
Orbital period
3.2643 (+5.8 × 10⁻⁶ / −5.8 × 10⁻⁶) days
Semi-major axis
0.05 (+7.4 × 10⁻⁴ / −7.4 × 10⁻⁴) AU
Equilibrium temperature
2,101 (+69 / −69) K
Mass provenance
Mass

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