The Kepler-47 system contains 3 exoplanets. It is located 3343.16 light years away from the solar system.
Mass | 0.96 solar masses |
Radius | 0.94 solar radiae |
Temperature | 5636 kelvin |
Stellar Metallicity | -0.25 decimal exponent |
Age | - billion years |
With a mass below 5 Earth masses, a density of 0.4, and a semi-major axis of 0.2877 astronomical units, Kepler-47 b could, potentially, be an ocean world - a planet with no dry land.
Mass | 2.070 Earth masses |
Density | 0.400 grams per cubic centimeter |
Radius | 3.050 Earth radiae |
Semi-major Axis | 0.2877 AU |
Eccentricity | 0.021 |
Orbital Period | 49.464 days |
Discovery Method | Transit |
Discovery Facility | Kepler |
Discovery Telescope | 0.95 m Kepler Telescope |
Discovery Instrument | Kepler CCD Array |
Discovery Date | 2012-09 |
Reference | Orosz et al. 2012 |
With a mass below 5 Earth masses, a density of 0.17, and a semi-major axis of 0.9638 astronomical units, Kepler-47 c could, potentially, be an ocean world - a planet with no dry land.
Mass | 3.170 Earth masses |
Density | 0.170 grams per cubic centimeter |
Radius | 4.650 Earth radiae |
Semi-major Axis | 0.9638 AU |
Eccentricity | 0.044 |
Orbital Period | 303.227 days |
Discovery Method | Transit |
Discovery Facility | Kepler |
Discovery Telescope | 0.95 m Kepler Telescope |
Discovery Instrument | Kepler CCD Array |
Discovery Date | 2012-09 |
Reference | Orosz et al. 2012 |
At more than 10 Earth masses, Kepler-47 d 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 | 19.020 Earth masses |
Density | 0.300 grams per cubic centimeter |
Radius | 7.040 Earth radiae |
Semi-major Axis | 0.6992 AU |
Eccentricity | 0.024 |
Orbital Period | 187.366 days |
Discovery Method | Transit |
Discovery Facility | Kepler |
Discovery Telescope | 0.95 m Kepler Telescope |
Discovery Instrument | Kepler CCD Array |
Discovery Date | 2019-05 |
Reference | Orosz et al. 2019 |