Exoplanet HAT-P-9 b
Radius15.61 R⊕Earth = 1
Mass238.1 M⊕Earth = 1
Orbital period3.92 d
Equilibrium temp.1,540 K≈ 1,267 °C
Distance1,484.7 ly
Discovered2008Transit
Size compared (radius, Earth = 1)
1.00
3.88
11.21
15.61
Where it sits among all planets (percentile)
97%
77%
22%
91%
57%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HAT-P-9 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HAT-P-9 b | 3.92 | 15.61 | 238.1 | 1,540 | 2008 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HAT-P-9 | F7 | 6,350 | 1.34 | 1.28 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.