Exoplanet
HD 42012 b
120.02 light-years
- Discovery
- Radial Velocity · 2017
- Radius
- 13.5 Earth radii
- Mass
- 508.528 (+31.783 / −31.783) Earth masses
- Orbital period
- 857.5 (+6.2 / −6.3) days
- Semi-major axis
- 1.67 (+0.05 / −0.06) AU
- Equilibrium temperature
- 182.63 (+9.52 / −9.52) 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