The GJ 504 system contains 1 exoplanet. It is located 57.17 light years away from the solar system.
| Mass | 1.22 solar masses |
| Radius | 1.26 solar radiae |
| Temperature | 6234 kelvin |
| Stellar Metallicity | 0.28 decimal exponent |
| Age | 0.16 billion years |
At more than 50 Earth masses, GJ 504 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1271.300 Earth masses |
| Density | 3.180 grams per cubic centimeter |
| Radius | 13.000 Earth radiae |
| Semi-major Axis | 43.5 AU |
| Eccentricity | NaN |
| Orbital Period | NaN days |
| Discovery Method | Imaging |
| Discovery Facility | Subaru Telescope |
| Discovery Telescope | 8.2 m Subaru Telescope |
| Discovery Instrument | HiCIAO Camera |
| Discovery Date | 2013-09 |
| Reference | Kuzuhara et al. 2013 |