The Kepler-1891 system contains 1 exoplanet. It is located 1944.67 light years away from the solar system.
| Mass | 0.87 solar masses |
| Radius | 0.83 solar radiae |
| Temperature | 5516 kelvin |
| Stellar Metallicity | -0.14 decimal exponent |
| Age | 3.7 billion years |
At 2.929 Earth masses, Kepler-1891 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 | 2.930 Earth masses |
| Density | 4.570 grams per cubic centimeter |
| Radius | 1.521 Earth radiae |
| Semi-major Axis | 0.0473 AU |
| Eccentricity | 0 |
| Orbital Period | 4.022 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 |