The HD 16417 system contains 1 exoplanet. It is located 82.82 light years away from the solar system.
| Mass | 1.2 solar masses |
| Radius | 1.64 solar radiae |
| Temperature | 5841 kelvin |
| Stellar Metallicity | 0.06 decimal exponent |
| Age | 7 billion years |
At more than 10 Earth masses, HD 16417 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 | 22.100 Earth masses |
| Density | 0.972 grams per cubic centimeter |
| Radius | 5.000 Earth radiae |
| Semi-major Axis | 0.14 AU |
| Eccentricity | 0.2 |
| Orbital Period | 17.240 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2009-06 |
| Reference | O'Toole et al. 2009 |