| HD 155358 b | |
| Discoverer: | Cochran et al. |
| Discovery Site: | University of Texas |
| Discovered: | May 10, 2007 |
| Apsis: | astron |
| Semimajor: | 0.628± |
| Eccentricity: | 0.112±0.037 |
| Period: | 195±1.1 d |
| Time Periastron: | 2,453,950 ±10.4 |
| Arg Peri: | 162±20 |
| Semi-Amplitude: | 34.6±3 |
HD 155358 b is a gas giant planet that orbits the star HD 155358, located 142 light years away in the constellation Hercules. This planet orbits at a distance about 63% of distance between Earth and the Sun and has a moderate eccentricity. The planet mass is at least 89% of Jupiter, depending on inclination of the orbit and true mass of the star. It takes over half a year to orbit the star.