Exoplanet HD 199509 b
Radius7.43 R⊕Earth = 1
Mass43.2 M⊕Earth = 1
Orbital period99.62 d
Equilibrium temp.411 K≈ 138 °C
Distance79.3 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
7.43
11.21
Where it sits among all planets (percentile)
68%
67%
83%
19%
6%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 199509 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 199509 b | 99.62 | 7.43 | 43.2 | 411 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 199509 | G3V | 5,796 | 0.92 | 1.04 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.