The Kepler-804 system contains 2 exoplanets. It is located 2118.87 light years away from the solar system.
| Mass | 1.01 solar masses |
| Radius | 1.05 solar radiae |
| Temperature | 5817 kelvin |
| Stellar Metallicity | 0 decimal exponent |
| Age | 5.25 billion years |
With a mass below 5 Earth masses, a density of 3.33, and a semi-major axis of 0.1137 astronomical units, Kepler-804 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.420 Earth masses |
| Density | 3.330 grams per cubic centimeter |
| Radius | 1.940 Earth radiae |
| Semi-major Axis | 0.1137 AU |
| Eccentricity | 0 |
| Orbital Period | 14.375 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 |
At 1.555 Earth masses, Kepler-804 c 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 | 1.550 Earth masses |
| Density | 5.750 grams per cubic centimeter |
| Radius | 1.140 Earth radiae |
| Semi-major Axis | 0.0872 AU |
| Eccentricity | 0 |
| Orbital Period | 9.652 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 |