Exoplanet HAT-P-18 b
Radius10.70 R⊕Earth = 1
Mass55.5 M⊕Earth = 1
Orbital period5.51 d
Equilibrium temp.841 K≈ 568 °C
Distance526.4 ly
Discovered2010Transit
Size compared (radius, Earth = 1)
1.00
3.88
10.70
11.21
Where it sits among all planets (percentile)
72%
68%
32%
57%
33%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HAT-P-18 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HAT-P-18 b | 5.51 | 10.70 | 55.5 | 841 | 2010 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HAT-P-18 | K2 | 4,870 | 0.72 | 0.77 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.