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HD 164509 b
Orbiting HD 164509, discovered in 2012 (7517) by W. M. Keck Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 140.80 M⊕ |
| Orbital period | 280.17 Earth days (~0.8 Earth years) |
| Orbital eccentricity | 0.238 |
| Equilibrium temperature | Unknown |
Host star — HD 164509
| Temperature | 5859 K (5586 °C) |
| Radius | 1.11 R☉ |
| Mass | 1.12 M☉ |
Location
| Distance from Earth | 53.1 pc (~173 light-years) |
| Right ascension / Declination | 270.3801 / 0.1045 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.