The Kepler-102 system contains 5 exoplanets. It is located 351.58 light years away from the solar system.
| Mass | 0.8 solar masses |
| Radius | 0.74 solar radiae |
| Temperature | 4903 kelvin |
| Stellar Metallicity | 0.08 decimal exponent |
| Age | 1.41 billion years |
| Mass | 4.300 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 0.470 Earth radiae |
| Semi-major Axis | 0.0552 AU |
| Eccentricity | 0 |
| Orbital Period | 5.287 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |
| Mass | 3.000 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 0.580 Earth radiae |
| Semi-major Axis | 0.067 AU |
| Eccentricity | 0 |
| Orbital Period | 7.071 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |
At 3.816 Earth masses, Kepler-102 d 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 | 3.800 Earth masses |
| Density | 13.270 grams per cubic centimeter |
| Radius | 1.180 Earth radiae |
| Semi-major Axis | 0.0862 AU |
| Eccentricity | 0 |
| Orbital Period | 10.312 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |
At more than 10 Earth masses, Kepler-102 e 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 | 8.930 Earth masses |
| Density | 4.680 grams per cubic centimeter |
| Radius | 2.220 Earth radiae |
| Semi-major Axis | 0.1162 AU |
| Eccentricity | 0 |
| Orbital Period | 16.146 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-03 |
| Reference | Wang et al. 2014 |
At more than 10 Earth masses, Kepler-102 f 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 | 5.200 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 0.880 Earth radiae |
| Semi-major Axis | 0.1655 AU |
| Eccentricity | 0 |
| Orbital Period | 27.454 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2014-02 |
| Reference | Marcy et al. 2014 |