Exoplanet
HD 31253 b
189.64 light-years
- Discovery
- Radial Velocity · 2010
- Radius
- 14.1 Earth radii
- Mass
- 197.0546 (+38.1396 / −38.1396) Earth masses
- Orbital period
- 466 (+3 / −3) days
- Semi-major axis
- 1.26 (+0.02 / −0.02) AU
- Equilibrium temperature
- 348.36 (+5.01 / −5.01) 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