The Kepler-29 system contains 2 exoplanets. It is located 2715.35 light years away from the solar system.
| Mass | 0.76 solar masses |
| Radius | 0.73 solar radiae |
| Temperature | 5378 kelvin |
| Stellar Metallicity | -0.44 decimal exponent |
| Age | 0.3 billion years |
At more than 10 Earth masses, Kepler-29 b 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 | 5.000 Earth masses |
| Density | 1.650 grams per cubic centimeter |
| Radius | 2.550 Earth radiae |
| Semi-major Axis | 0.0919 AU |
| Eccentricity | 0 |
| Orbital Period | 10.340 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2012-05 |
| Reference | Fabrycky et al. 2012 |
With a mass below 5 Earth masses, a density of 1.91, and a semi-major axis of 0.1087 astronomical units, Kepler-29 c could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.500 Earth masses |
| Density | 1.910 grams per cubic centimeter |
| Radius | 2.340 Earth radiae |
| Semi-major Axis | 0.1087 AU |
| Eccentricity | 0 |
| Orbital Period | 13.286 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2012-05 |
| Reference | Fabrycky et al. 2012 |