The Kepler-1865 system contains 1 exoplanet. It is located 3007.99 light years away from the solar system.
| Mass | 0.85 solar masses | 
| Radius | 0.87 solar radiae | 
| Temperature | 5420 kelvin | 
| Stellar Metallicity | -0.06 decimal exponent | 
| Age | 11.6 billion years | 
At 3.113 Earth masses, Kepler-1865 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 3.110 Earth masses | 
| Density | 4.360 grams per cubic centimeter | 
| Radius | 1.577 Earth radiae | 
| Semi-major Axis | 0.0344 AU | 
| Eccentricity | 0 | 
| Orbital Period | 2.524 days | 
| Discovery Method | Transit | 
| Discovery Facility | Kepler | 
| Discovery Telescope | 0.95 m Kepler Telescope | 
| Discovery Instrument | Kepler CCD Array | 
| Discovery Date | 2022-02 | 
| Reference | Valizadegan et al. 2022 |