The HD 109749 system contains 1 exoplanet. It is located 205.75 light years away from the solar system.
| Mass | 1.13 solar masses |
| Radius | 1.22 solar radiae |
| Temperature | 5824 kelvin |
| Stellar Metallicity | 0.24 decimal exponent |
| Age | 3.3 billion years |
At more than 50 Earth masses, HD 109749 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 85.814 Earth masses |
| Density | 0.345 grams per cubic centimeter |
| Radius | 11.100 Earth radiae |
| Semi-major Axis | 0.0615 AU |
| Eccentricity | 0 |
| Orbital Period | 5.240 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2006-02 |
| Reference | Fischer et al. 2006 |