Exoplanet CatalogExoplanet HR 8799 e
Radius13.11 R⊕Earth = 1
Mass3,178.3 M⊕Earth = 1
Orbital period20,815.60 d
Equilibrium temp.1,150 K≈ 877 °C
Distance134.5 ly
Discovered2010Imaging
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.11
Where it sits among all planets (percentile)
85%
96%
99%
78%
12%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HR 8799 (4)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HR 8799 e | 20,815.60 | 13.11 | 3,178.3 | 1,150 | 2010 |
| HR 8799 d | 37,000.00 | 13.00 | 3,000.0 | 1,300 | 2008 |
| HR 8799 c | 69,000.00 | 13.00 | 3,000.0 | 1,200 | 2008 |
| HR 8799 b | 170,000.00 | 13.00 | 2,000.0 | 1,200 | 2008 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HR 8799 | A5 | 7,400 | 1.49 | 1.51 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.