The K2-224 system contains 2 exoplanets. It is located 897.76 light years away from the solar system.
Mass | 0.91 solar masses |
Radius | 0.84 solar radiae |
Temperature | 5620 kelvin |
Stellar Metallicity | -0.19 decimal exponent |
Age | - billion years |
At 3.056 Earth masses, K2-224 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 | 3.050 Earth masses |
Density | 4.410 grams per cubic centimeter |
Radius | 1.560 Earth radiae |
Semi-major Axis | 0.0516 AU |
Eccentricity | NaN |
Orbital Period | 4.479 days |
Discovery Method | Transit |
Discovery Facility | K2 |
Discovery Telescope | 0.95 m Kepler Telescope |
Discovery Instrument | Kepler CCD Array |
Discovery Date | 2018-03 |
Reference | Mayo et al. 2018 |
At more than 10 Earth masses, K2-224 c 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 | 6.390 Earth masses |
Density | 2.510 grams per cubic centimeter |
Radius | 2.410 Earth radiae |
Semi-major Axis | 0.0886 AU |
Eccentricity | NaN |
Orbital Period | 10.095 days |
Discovery Method | Transit |
Discovery Facility | K2 |
Discovery Telescope | 0.95 m Kepler Telescope |
Discovery Instrument | Kepler CCD Array |
Discovery Date | 2018-08 |
Reference | Livingston et al. 2018 |