← Back to Exoplanet Archive
HD 189733 b
Orbiting HD 189733, discovered in 2005 (7510) by Haute-Provence Observatory via the Radial Velocity method.
Planet
| Radius | 12.67 R⊕ |
| Mass | 359.15 M⊕ |
| Orbital period | 2.22 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.000 |
| Equilibrium temperature | Unknown |
Host star — HD 189733
| Temperature | 5052 K (4779 °C) |
| Radius | 0.75 R☉ |
| Mass | 0.79 M☉ |
Location
| Distance from Earth | 19.8 pc (~64 light-years) |
| Right ascension / Declination | 300.1821 / 22.7098 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.