The GJ 3634 system contains 1 exoplanet. It is located 66.46 light years away from the solar system.
| Mass | 0.45 solar masses |
| Radius | 0.43 solar radiae |
| Temperature | 3517 kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | 5 billion years |
At more than 10 Earth masses, GJ 3634 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 | 8.400 Earth masses |
| Density | 2.040 grams per cubic centimeter |
| Radius | 2.830 Earth radiae |
| Semi-major Axis | 0.0287 AU |
| Eccentricity | 0.08 |
| Orbital Period | 2.646 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2011-04 |
| Reference | Bonfils et al. 2011 |