The HD 11964 system contains 2 exoplanets. It is located 109.38 light years away from the solar system.
| Mass | 0.91 solar masses |
| Radius | 2.01 solar radiae |
| Temperature | 5303 kelvin |
| Stellar Metallicity | 0.1 decimal exponent |
| Age | 7.45 billion years |
At more than 50 Earth masses, HD 11964 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 198.000 Earth masses |
| Density | 0.388 grams per cubic centimeter |
| Radius | 14.100 Earth radiae |
| Semi-major Axis | 3.16 AU |
| Eccentricity | 0.041 |
| Orbital Period | 1945.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2006-07 |
| Reference | Butler et al. 2006 |
At more than 10 Earth masses, HD 11964 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 | 0.229 AU |
| Eccentricity | 0.3 |
| Orbital Period | 37.910 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2009-03 |
| Reference | Wright et al. 2009 |