The HD 188015 system contains 1 exoplanet. It is located 165.27 light years away from the solar system.
| Mass | 1.09 solar masses |
| Radius | 1.13 solar radiae |
| Temperature | 5746 kelvin |
| Stellar Metallicity | 0.289 decimal exponent |
| Age | 6.61 billion years |
At more than 50 Earth masses, HD 188015 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 476.720 Earth masses |
| Density | 1.040 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 1.203 AU |
| Eccentricity | 0.137 |
| Orbital Period | 461.200 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2005-01 |
| Reference | Marcy et al. 2005 |