Exoplanet CatalogThe Kepler-9 system (3 planets)
Distance2,049.1 ly
Planets3
Spectral type–
Star Teff5,777 K
Orbital period (days)
1.59
19.24
38.99
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-9 d | 1.59 | 1.64 | 8.4 | 2,026 | 2010 |
| Kepler-9 b | 19.24 | 8.29 | 43.4 | 661 | 2010 |
| Kepler-9 c | 38.99 | 8.08 | 29.9 | 523 | 2010 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.