The HD 129445 system contains 1 exoplanet. It is located 219.96 light years away from the solar system.
| Mass | 0.99 solar masses |
| Radius | 1.18 solar radiae |
| Temperature | 5605 kelvin |
| Stellar Metallicity | 0.25 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 129445 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 508.507 Earth masses |
| Density | 1.140 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 2.9 AU |
| Eccentricity | 0.7 |
| Orbital Period | 1840.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Las Campanas Observatory |
| Discovery Telescope | 6.5 m Magellan II Clay Telescope |
| Discovery Instrument | MIKE Spectrograph |
| Discovery Date | 2010-03 |
| Reference | Arriagada et al. 2010 |