Exoplanet
HD 158259 b
88.22 light-years
- Discovery
- Radial Velocity · 2020
- Radius
- 1.2823 (+0.0665 / −0.0665) Earth radii
- Mass
- 2.22 (+0.39 / −0.45) Earth masses
- Orbital period
- 2.178 (+9 × 10⁻⁵ / −1 × 10⁻⁴) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 1,462 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