Exoplanet
HD 149026 b
247.44 light-years
- Discovery
- Radial Velocity · 2005
- Radius
- 8.2947 (+0.2242 / −0.2242) Earth radii
- Mass
- 120.7754 (+19.0698 / −19.0698) Earth masses
- Orbital period
- 2.8759 (+2 × 10⁻⁶ / −2 × 10⁻⁶) days
- Semi-major axis
- 0.0436 (+2.2 × 10⁻⁴ / −2.2 × 10⁻⁴) AU
- Equilibrium temperature
- 1,626 (+69 / −37) K
- Mass provenance
- Mass
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