The Kepler-691 system contains 1 exoplanet. It is located 910.35 light years away from the solar system.
| Mass | 0.53 solar masses |
| Radius | 0.5 solar radiae |
| Temperature | 3715 kelvin |
| Stellar Metallicity | 0.04 decimal exponent |
| Age | 3.98 billion years |
At more than 10 Earth masses, Kepler-691 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 | 5.020 Earth masses |
| Density | 3.020 grams per cubic centimeter |
| Radius | 2.090 Earth radiae |
| Semi-major Axis | 0.0649 AU |
| Eccentricity | 0 |
| Orbital Period | 8.114 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |