The Kepler-220 system contains 4 exoplanets. It is located 558.08 light years away from the solar system.
| Mass | 0.65 solar masses |
| Radius | 0.67 solar radiae |
| Temperature | 4632 kelvin |
| Stellar Metallicity | -0.174 decimal exponent |
| Age | 6 billion years |
At less than 1.5 Earth masses, Kepler-220 b is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.457 Earth masses |
| Density | 4.730 grams per cubic centimeter |
| Radius | 0.810 Earth radiae |
| Semi-major Axis | 0.046 AU |
| Eccentricity | 0 |
| Orbital Period | 4.160 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 3.091 Earth masses, Kepler-220 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 | 1.570 Earth radiae |
| Semi-major Axis | 0.076 AU |
| Eccentricity | 0 |
| Orbital Period | 9.034 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 less than 1.5 Earth masses, Kepler-220 d is a terrestrial planet, much like the terrestrial planets we find in our solar system, namely Mercury, Venus, Earth and Mars.
| Mass | 0.904 Earth masses |
| Density | 5.280 grams per cubic centimeter |
| Radius | 0.980 Earth radiae |
| Semi-major Axis | 0.163 AU |
| Eccentricity | 0 |
| Orbital Period | 28.122 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 2.331 Earth masses, Kepler-220 e 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 | 2.330 Earth masses |
| Density | 5.440 grams per cubic centimeter |
| Radius | 1.330 Earth radiae |
| Semi-major Axis | 0.226 AU |
| Eccentricity | 0 |
| Orbital Period | 45.903 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 |