Exoplanet CatalogExoplanet XO-2 S b
Radius10.90 R⊕Earth = 1
Mass82.6 M⊕Earth = 1
Orbital period18.22 d
Equilibrium temp.707 K≈ 433 °C
Distance493.8 ly
Discovered2014Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
10.90
11.21
Where it sits among all planets (percentile)
73%
70%
63%
45%
32%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of XO-2 S (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| XO-2 S b | 18.22 | 10.90 | 82.6 | 707 | 2014 |
| XO-2 S c | 120.06 | 13.60 | 438.6 | 377 | 2014 |
| XO-2 S d | 4,696.00 | 13.00 | 1,179.1 | 111 | 2024 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| XO-2 S | G8 V | 5,325 | 1.02 | 0.98 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.