The Kepler-688 system contains 1 exoplanet. It is located 4428.38 light years away from the solar system.
| Mass | 0.98 solar masses |
| Radius | 0.96 solar radiae |
| Temperature | 5715 kelvin |
| Stellar Metallicity | 0.02 decimal exponent |
| Age | 4.27 billion years |
At more than 50 Earth masses, Kepler-688 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 68.700 Earth masses |
| Density | 0.406 grams per cubic centimeter |
| Radius | 9.760 Earth radiae |
| Semi-major Axis | 0.046 AU |
| Eccentricity | 0 |
| Orbital Period | 3.896 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 |