The Kepler-39 system contains 1 exoplanet. It is located 3448.81 light years away from the solar system.
| Mass | 1.29 solar masses |
| Radius | 1.4 solar radiae |
| Temperature | 6350 kelvin |
| Stellar Metallicity | 0.1 decimal exponent |
| Age | 2.1 billion years |
At more than 50 Earth masses, Kepler-39 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 6388.100 Earth masses |
| Density | 13.000 grams per cubic centimeter |
| Radius | 13.900 Earth radiae |
| Semi-major Axis | 0.164 AU |
| Eccentricity | 0.112 |
| Orbital Period | 21.087 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2011-09 |
| Reference | Bouchy et al. 2011 |