Exoplanet
HD 19994 b
73.46 light-years
- Discovery
- Radial Velocity · 2003
- Radius
- 13.6 Earth radii
- Mass
- 435.41 (+38.14 / −38.14) Earth masses
- Orbital period
- 466.2 (+1.7 / −1.7) days
- Semi-major axis
- 1.305 (+0.016 / −0.016) AU
- Equilibrium temperature
- 350.1 (+9.69 / −9.69) 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