The ROXs 42 B system contains 1 exoplanet. It is located 468.33 light years away from the solar system.
| Mass | 1 solar masses |
| Radius | 1.34 solar radiae |
| Temperature | 3433 kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | 0.003 billion years |
At more than 50 Earth masses, ROXs 42 B b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2860.000 Earth masses |
| Density | 8.050 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 157 AU |
| Eccentricity | 0.58 |
| Orbital Period | NaN days |
| Discovery Method | Imaging |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2014-01 |
| Reference | Currie et al. 2014 |