Exoplanet
HD 133131 A b
167.88 light-years
- Discovery
- Radial Velocity · 2016
- Radius
- 13.6 Earth radii
- Mass
- 451.3186 (+12.7132 / −12.7132) Earth masses
- Orbital period
- 649 (+3 / −3) days
- Semi-major axis
- 1.44 (+5 × 10⁻³ / −5 × 10⁻³) AU
- Equilibrium temperature
- 227.72 (+5.41 / −5.41) 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