Exoplanet CatalogExoplanet KELT-9 b
Radius21.70 R⊕Earth = 1
Mass915.3 M⊕Earth = 1
Orbital period1.48 d
Equilibrium temp.3,921 K≈ 3,648 °C
Distance666.8 ly
Discovered2017Transit
Size compared (radius, Earth = 1)
1.00
3.88
11.21
21.70
Where it sits among all planets (percentile)
100%
89%
5%
100%
38%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of KELT-9 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| KELT-9 b | 1.48 | 21.70 | 915.3 | 3,921 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| KELT-9 | A | 9,270 | 2.42 | 2.32 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.