Exoplanet CatalogExoplanet WASP-121 b
Radius19.53 R⊕Earth = 1
Mass371.9 M⊕Earth = 1
Orbital period1.27 d
Equilibrium temp.2,409 K≈ 2,136 °C
Distance880.3 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
3.88
11.21
19.53
Where it sits among all planets (percentile)
99%
81%
4%
99%
43%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of WASP-121 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| WASP-121 b | 1.27 | 19.53 | 371.9 | 2,409 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| WASP-121 | F6 V | 6,628 | 1.46 | 1.33 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.