Exoplanet
HD 111998 b
108.36 light-years
- Discovery
- Radial Velocity · 2016
- Radius
- 12.9 Earth radii
- Mass
- 1,525.5764 (+63.5657 / −63.5657) Earth masses
- Orbital period
- 810 (+6 / −5) days
- Semi-major axis
- 1.91 (+0.02 / −0.03) AU
- Equilibrium temperature
- 275.49 (+7.98 / −7.98) 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