The Kepler-1921 system contains 1 exoplanet. It is located 3029.95 light years away from the solar system.
| Mass | 1.25 solar masses |
| Radius | 2 solar radiae |
| Temperature | 6120 kelvin |
| Stellar Metallicity | 0.02 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, Kepler-1921 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 | 8.720 Earth masses |
| Density | 1.980 grams per cubic centimeter |
| Radius | 2.895 Earth radiae |
| Semi-major Axis | 0.1557 AU |
| Eccentricity | 0 |
| Orbital Period | 20.035 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 |