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HD 199509 b
Orbiting HD 199509, discovered in 2022 (7527) by Multiple Observatories via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 43.22 M⊕ |
| Orbital period | 99.62 Earth days (~0.3 Earth years) |
| Orbital eccentricity | 0.373 |
| Equilibrium temperature | Unknown |
Host star — HD 199509
| Temperature | Unknown |
| Radius | Unknown |
| Mass | 1.04 M☉ |
Location
| Distance from Earth | 24.3 pc (~79 light-years) |
| Right ascension / Declination | 317.3446 / -82.0275 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.