The Kepler-403 system contains 3 exoplanets. It is located 2740.59 light years away from the solar system.
| Mass | 1.25 solar masses |
| Radius | 1.33 solar radiae |
| Temperature | 6090 kelvin |
| Stellar Metallicity | 0.079 decimal exponent |
| Age | 3.09 billion years |
At 2.099 Earth masses, Kepler-403 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 | 2.100 Earth masses |
| Density | 5.910 grams per cubic centimeter |
| Radius | 1.250 Earth radiae |
| Semi-major Axis | 0.076 AU |
| Eccentricity | 0 |
| Orbital Period | 7.031 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-403 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 | 0.297 AU |
| Eccentricity | 0 |
| Orbital Period | 54.281 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 2.604 Earth masses, Kepler-403 d 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 | 2.600 Earth masses |
| Density | 4.990 grams per cubic centimeter |
| Radius | 1.420 Earth radiae |
| Semi-major Axis | 0.1211 AU |
| Eccentricity | 0 |
| Orbital Period | 13.612 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 |