The Kepler-730 system contains 2 exoplanets. It is located 6311.25 light years away from the solar system.
| Mass | 1.05 solar masses |
| Radius | 1.41 solar radiae |
| Temperature | 5620 kelvin |
| Stellar Metallicity | 0.21 decimal exponent |
| Age | 9.5 billion years |
| Mass | NaN Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 12.330 Earth radiae |
| Semi-major Axis | 0.0694 AU |
| Eccentricity | 0 |
| Orbital Period | 6.492 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 3.088 Earth masses, Kepler-730 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 | 3.090 Earth masses |
| Density | 4.390 grams per cubic centimeter |
| Radius | 1.569 Earth radiae |
| Semi-major Axis | 0.03997 AU |
| Eccentricity | 0 |
| Orbital Period | 2.852 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2019-01 |
| Reference | Cañas et al. 2019 |