The XO-5 system contains 1 exoplanet. It is located 900.88 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 1.13 solar radiae |
| Temperature | 5430 kelvin |
| Stellar Metallicity | 0.05 decimal exponent |
| Age | 8.5 billion years |
At more than 50 Earth masses, XO-5 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 378.200 Earth masses |
| Density | 1.060 grams per cubic centimeter |
| Radius | 12.780 Earth radiae |
| Semi-major Axis | 0.0515 AU |
| Eccentricity | 0 |
| Orbital Period | 4.188 days |
| Discovery Method | Transit |
| Discovery Facility | XO |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | Apogee CCD Array |
| Discovery Date | 2008-10 |
| Reference | Burke et al. 2008 |