The Kepler-1688 system contains 1 exoplanet. It is located 1850.76 light years away from the solar system.
| Mass | 0.81 solar masses |
| Radius | 0.75 solar radiae |
| Temperature | 4632.11 kelvin |
| Stellar Metallicity | -0.046 decimal exponent |
| Age | 14 billion years |
At 2.131 Earth masses, Kepler-1688 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 2.130 Earth masses |
| Density | 5.830 grams per cubic centimeter |
| Radius | 1.262 Earth radiae |
| Semi-major Axis | 0.0577 AU |
| Eccentricity | 0 |
| Orbital Period | 5.620 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2021-07 |
| Reference | Armstrong et al. 2021 |