Exoplanet
HD 18599 b
125.78 light-years
- Discovery
- Transit · 2022
- Radius
- 2.6 (+0.15 / −0.13) Earth radii
- Mass
- 24.1 (+7.1 / −7.7) Earth masses
- Orbital period
- 4.1374 (+3.6 × 10⁻⁶ / −3.7 × 10⁻⁶) days
- Semi-major axis
- 0.048 (+4 × 10⁻⁴ / −4 × 10⁻⁴) AU
- Equilibrium temperature
- 863 (+21 / −18) 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