The HD 103197 system contains 1 exoplanet. It is located 186.39 light years away from the solar system.
| Mass | 0.8 solar masses |
| Radius | 0.88 solar radiae |
| Temperature | 5250 kelvin |
| Stellar Metallicity | 0.22 decimal exponent |
| Age | 9.1 billion years |
At more than 10 Earth masses, HD 103197 b 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 | 28.605 Earth masses |
| Density | 0.793 grams per cubic centimeter |
| Radius | 5.830 Earth radiae |
| Semi-major Axis | 0.25 AU |
| Eccentricity | 0 |
| Orbital Period | 47.840 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2011-02 |
| Reference | Mordasini et al. 2011 |