The HD 180617 system contains 1 exoplanet. It is located 19.28 light years away from the solar system.
| Mass | 0.48 solar masses |
| Radius | 0.48 solar radiae |
| Temperature | 3534 kelvin |
| Stellar Metallicity | -0.04 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, HD 180617 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 12.214 Earth masses |
| Density | 1.530 grams per cubic centimeter |
| Radius | 3.530 Earth radiae |
| Semi-major Axis | 0.343 AU |
| Eccentricity | 0.101 |
| Orbital Period | 105.911 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Calar Alto Observatory |
| Discovery Telescope | 3.5 m telescope |
| Discovery Instrument | CARMENES |
| Discovery Date | 2018-10 |
| Reference | Kaminski et al. 2018 |