The Kepler-147 system contains 2 exoplanets. It is located 3398.61 light years away from the solar system.
Mass | 1.14 solar masses |
Radius | 1.47 solar radiae |
Temperature | 6012 kelvin |
Stellar Metallicity | 0.07 decimal exponent |
Age | 4.47 billion years |
At 2.957 Earth masses, Kepler-147 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 | 2.960 Earth masses |
Density | 4.540 grams per cubic centimeter |
Radius | 1.530 Earth radiae |
Semi-major Axis | 0.113 AU |
Eccentricity | 0 |
Orbital Period | 12.611 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 more than 10 Earth masses, Kepler-147 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 | 6.480 Earth masses |
Density | 2.480 grams per cubic centimeter |
Radius | 2.430 Earth radiae |
Semi-major Axis | 0.216 AU |
Eccentricity | 0 |
Orbital Period | 33.416 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 |