The HD 11755 system contains 1 exoplanet. It is located 766.61 light years away from the solar system.
| Mass | 0.72 solar masses |
| Radius | 20.58 solar radiae |
| Temperature | 4312 kelvin |
| Stellar Metallicity | -0.74 decimal exponent |
| Age | 10.2 billion years |
At more than 50 Earth masses, HD 11755 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1789.383 Earth masses |
| Density | 4.690 grams per cubic centimeter |
| Radius | 12.800 Earth radiae |
| Semi-major Axis | 1.09 AU |
| Eccentricity | 0.19 |
| Orbital Period | 433.700 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Bohyunsan Optical Astronomical Observatory |
| Discovery Telescope | 1.8 m Telescope |
| Discovery Instrument | BOES Echelle Spectrograph |
| Discovery Date | 2015-12 |
| Reference | Lee et al. 2015 |