The Kepler-101 system contains 2 exoplanets. It is located 3026.67 light years away from the solar system.
| Mass | 1.17 solar masses |
| Radius | 1.56 solar radiae |
| Temperature | 5667 kelvin |
| Stellar Metallicity | 0.33 decimal exponent |
| Age | 5.9 billion years |
At more than 50 Earth masses, Kepler-101 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 51.100 Earth masses |
| Density | 1.450 grams per cubic centimeter |
| Radius | 5.770 Earth radiae |
| Semi-major Axis | 0.0474 AU |
| Eccentricity | 0.086 |
| Orbital Period | 3.488 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 3.180 Earth masses, Kepler-101 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 | 3.780 Earth masses |
| Density | 10.500 grams per cubic centimeter |
| Radius | 1.250 Earth radiae |
| Semi-major Axis | 0.0684 AU |
| Eccentricity | 0 |
| Orbital Period | 6.030 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 |