Exoplanet CatalogExoplanet Kepler-9 d
Radius1.64 R⊕Earth = 1
Mass8.4 M⊕Earth = 1
Orbital period1.59 d
Equilibrium temp.2,026 K≈ 1,753 °C
Distance2,049.1 ly
Discovered2010Transit
Size compared (radius, Earth = 1)
1.00
1.64
3.88
11.21
Where it sits among all planets (percentile)
20%
47%
5%
98%
66%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-9 (3)
| 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 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-9 | – | 5,777 | 1.02 | 1.07 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.