The HD 102117 system contains 1 exoplanet. It is located 129.09 light years away from the solar system.
| Mass | 1.06 solar masses |
| Radius | 1.23 solar radiae |
| Temperature | 5655 kelvin |
| Stellar Metallicity | 0.28 decimal exponent |
| Age | 10 billion years |
At more than 50 Earth masses, HD 102117 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 54.031 Earth masses |
| Density | 0.489 grams per cubic centimeter |
| Radius | 8.470 Earth radiae |
| Semi-major Axis | 0.15 AU |
| Eccentricity | 0.12 |
| Orbital Period | 20.813 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2005-07 |
| Reference | Lovis et al. 2005 |