The Kepler-243 system contains 2 exoplanets. It is located 2263.07 light years away from the solar system.
| Mass | 0.83 solar masses |
| Radius | 0.84 solar radiae |
| Temperature | 5228 kelvin |
| Stellar Metallicity | 0.01 decimal exponent |
| Age | 3.5 billion years |
At more than 10 Earth masses, Kepler-243 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 6.570 Earth masses |
| Density | 2.450 grams per cubic centimeter |
| Radius | 2.450 Earth radiae |
| Semi-major Axis | 0.062 AU |
| Eccentricity | 0 |
| Orbital Period | 5.715 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 |
With a mass below 5 Earth masses, a density of 3.22, and a semi-major axis of 0.142 astronomical units, Kepler-243 c could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.620 Earth masses |
| Density | 3.220 grams per cubic centimeter |
| Radius | 1.990 Earth radiae |
| Semi-major Axis | 0.142 AU |
| Eccentricity | 0 |
| Orbital Period | 20.026 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 |