The Kepler-91 system contains 1 exoplanet. It is located 4222.71 light years away from the solar system.
| Mass | 1.31 solar masses |
| Radius | 6.3 solar radiae |
| Temperature | 4550 kelvin |
| Stellar Metallicity | 0.11 decimal exponent |
| Age | 4.47 billion years |
At more than 50 Earth masses, Kepler-91 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 257.442 Earth masses |
| Density | 0.400 grams per cubic centimeter |
| Radius | 15.323 Earth radiae |
| Semi-major Axis | 0.0731 AU |
| Eccentricity | 0.0519 |
| Orbital Period | 6.247 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Lillo-Box et al. 2014 |