The Kepler-99 system contains 1 exoplanet. It is located 679.61 light years away from the solar system.
| Mass | 0.79 solar masses |
| Radius | 0.73 solar radiae |
| Temperature | 4782 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 1.47 billion years |
At more than 10 Earth masses, Kepler-99 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 | 6.150 Earth masses |
| Density | 10.900 grams per cubic centimeter |
| Radius | 1.480 Earth radiae |
| Semi-major Axis | 0.0503 AU |
| Eccentricity | 0 |
| Orbital Period | 4.604 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |