The rho CrB system contains 2 exoplanets. It is located 56.97 light years away from the solar system.
| Mass | 0.89 solar masses |
| Radius | 1.36 solar radiae |
| Temperature | 5627 kelvin |
| Stellar Metallicity | -0.31 decimal exponent |
| Age | 10 billion years |
At more than 50 Earth masses, rho CrB b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 332.100 Earth masses |
| Density | 0.694 grams per cubic centimeter |
| Radius | 13.800 Earth radiae |
| Semi-major Axis | 0.2196 AU |
| Eccentricity | 0.0373 |
| Orbital Period | 39.846 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Fred Lawrence Whipple Observatory |
| Discovery Telescope | 1.5 m Tillinghast Reflector Telescope |
| Discovery Instrument | AFOE Echelle Spectrograph |
| Discovery Date | 1997-07 |
| Reference | Noyes et al. 1997 |
At more than 10 Earth masses, rho CrB c is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 25.000 Earth masses |
| Density | 0.882 grams per cubic centimeter |
| Radius | 5.380 Earth radiae |
| Semi-major Axis | 0.4123 AU |
| Eccentricity | 0.052 |
| Orbital Period | 102.540 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2016-10 |
| Reference | Fulton et al. 2016 |