The Kepler-246 system contains 2 exoplanets. It is located 2041.99 light years away from the solar system.
Mass | 0.79 solar masses |
Radius | 0.83 solar radiae |
Temperature | 5206 kelvin |
Stellar Metallicity | 0.16 decimal exponent |
Age | 12.6 billion years |
At more than 10 Earth masses, Kepler-246 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 | 6.080 Earth masses |
Density | 2.610 grams per cubic centimeter |
Radius | 2.340 Earth radiae |
Semi-major Axis | 0.052 AU |
Eccentricity | 0 |
Orbital Period | 4.602 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 2.859 Earth masses, Kepler-246 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 | 2.860 Earth masses |
Density | 4.660 grams per cubic centimeter |
Radius | 1.500 Earth radiae |
Semi-major Axis | 0.095 AU |
Eccentricity | 0 |
Orbital Period | 11.187 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 |