Exoplanet
HD 16417 b
82.82 light-years
- Discovery
- Radial Velocity · 2008
- Radius
- 5 Earth radii
- Mass
- 22.1 (+2 / −2) Earth masses
- Orbital period
- 17.24 (+0.01 / −0.01) days
- Semi-major axis
- 0.14 (+0.01 / −0.01) AU
- Equilibrium temperature
- 964 (+35.49 / −35.49) 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