Exoplanet
HD 189733 b
64.46 light-years
- Discovery
- Radial Velocity · 2005
- Radius
- 12.6662 (+0.1121 / −0.1121) Earth radii
- Mass
- 359.1479 (+25.4264 / −25.4264) Earth masses
- Orbital period
- 2.2186 (+1.5 × 10⁻⁷ / −1.5 × 10⁻⁷) days
- Semi-major axis
- 0.0313 (+3.6 × 10⁻⁴ / −3.6 × 10⁻⁴) AU
- Equilibrium temperature
- 1,209 (+11 / −11) 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