The HD 155358 system contains 2 exoplanets. It is located 142.27 light years away from the solar system.
| Mass | 1.15 solar masses |
| Radius | 1.38 solar radiae |
| Temperature | 5905 kelvin |
| Stellar Metallicity | -0.6 decimal exponent |
| Age | 10.7 billion years |
At more than 50 Earth masses, HD 155358 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 314.652 Earth masses |
| Density | 0.658 grams per cubic centimeter |
| Radius | 13.800 Earth radiae |
| Semi-major Axis | 0.63 AU |
| Eccentricity | 0.17 |
| Orbital Period | 194.300 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | McDonald Observatory |
| Discovery Telescope | 9.2 m Hobby-Eberly Telescope |
| Discovery Instrument | High Resolution Spectrograph |
| Discovery Date | 2007-08 |
| Reference | Cochran et al. 2007 |
At more than 50 Earth masses, HD 155358 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 261.000 Earth masses |
| Density | 0.534 grams per cubic centimeter |
| Radius | 13.900 Earth radiae |
| Semi-major Axis | 1.02 AU |
| Eccentricity | 0.16 |
| Orbital Period | 391.900 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | McDonald Observatory |
| Discovery Telescope | 9.2 m Hobby-Eberly Telescope |
| Discovery Instrument | High Resolution Spectrograph |
| Discovery Date | 2007-08 |
| Reference | Cochran et al. 2007 |