Exoplanet
HD 38801 b
298.22 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 12.5 Earth radii
- Mass
- 3,082.3153 (+182.1166 / −186.5662) Earth masses
- Orbital period
- 685.25 (+0.85 / −0.85) days
- Semi-major axis
- 1.623 (+0.047 / −0.049) AU
- Equilibrium temperature
- 287.8 (+20.97 / −20.97) 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