The Kepler-347 system contains 2 exoplanets. It is located 4236.38 light years away from the solar system.
| Mass | 1.05 solar masses |
| Radius | 1 solar radiae |
| Temperature | 6088 kelvin |
| Stellar Metallicity | 0.16 decimal exponent |
| Age | 0.3 billion years |
With a mass below 5 Earth masses, a density of 3.26, and a semi-major axis of 0.11 astronomical units, Kepler-347 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.540 Earth masses |
| Density | 3.260 grams per cubic centimeter |
| Radius | 1.970 Earth radiae |
| Semi-major Axis | 0.11 AU |
| Eccentricity | 0 |
| Orbital Period | 12.798 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Rowe et al. 2014 |
At 3.721 Earth masses, Kepler-347 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 | 3.710 Earth masses |
| Density | 3.800 grams per cubic centimeter |
| Radius | 1.750 Earth radiae |
| Semi-major Axis | 0.183 AU |
| Eccentricity | 0 |
| Orbital Period | 27.321 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Rowe et al. 2014 |