The ROXs 12 system contains 1 exoplanet. It is located 445.69 light years away from the solar system.
| Mass | 0.87 solar masses |
| Radius | 1.07 solar radiae |
| Temperature | 3850 kelvin |
| Stellar Metallicity | 0.14 decimal exponent |
| Age | 0.008 billion years |
At more than 50 Earth masses, ROXs 12 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 5085.000 Earth masses |
| Density | 15.400 grams per cubic centimeter |
| Radius | 12.200 Earth radiae |
| Semi-major Axis | 210 AU |
| Eccentricity | 0.83 |
| Orbital Period | NaN days |
| Discovery Method | Imaging |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck II Telescope |
| Discovery Instrument | NIRC2 Camera |
| Discovery Date | 2014-01 |
| Reference | Kraus et al. 2014 |