The GJ 685 system contains 1 exoplanet. It is located 46.69 light years away from the solar system.
| Mass | 0.55 solar masses |
| Radius | 0.54 solar radiae |
| Temperature | 3816 kelvin |
| Stellar Metallicity | -0.15 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, GJ 685 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 | 9.000 Earth masses |
| Density | 1.930 grams per cubic centimeter |
| Radius | 2.950 Earth radiae |
| Semi-major Axis | 0.1344 AU |
| Eccentricity | 0 |
| Orbital Period | 24.160 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2019-05 |
| Reference | Pinamonti et al. 2019 |