The Kepler-861 system contains 1 exoplanet. It is located 2773.39 light years away from the solar system.
| Mass | 0.82 solar masses | 
| Radius | 0.78 solar radiae | 
| Temperature | 5047 kelvin | 
| Stellar Metallicity | 0.01 decimal exponent | 
| Age | 4.47 billion years | 
At more than 10 Earth masses, Kepler-861 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 | 5.820 Earth masses | 
| Density | 2.700 grams per cubic centimeter | 
| Radius | 2.280 Earth radiae | 
| Semi-major Axis | 0.0463 AU | 
| Eccentricity | 0 | 
| Orbital Period | 3.950 days | 
| Discovery Method | Transit | 
| Discovery Facility | Kepler | 
| Discovery Telescope | 0.95 m Kepler Telescope | 
| Discovery Instrument | Kepler CCD Array | 
| Discovery Date | 2016-05 | 
| Reference | Morton et al. 2016 |