The GJ 4276 system contains 1 exoplanet. It is located 69.59 light years away from the solar system.
| Mass | 0.41 solar masses |
| Radius | 0.41 solar radiae |
| Temperature | 3387 kelvin |
| Stellar Metallicity | 0.12 decimal exponent |
| Age | 6.9 billion years |
At more than 10 Earth masses, GJ 4276 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 | 16.570 Earth masses |
| Density | 1.210 grams per cubic centimeter |
| Radius | 4.220 Earth radiae |
| Semi-major Axis | 0.082 AU |
| Eccentricity | 0.37 |
| Orbital Period | 13.352 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Calar Alto Observatory |
| Discovery Telescope | 3.5 m telescope |
| Discovery Instrument | CARMENES |
| Discovery Date | 2019-02 |
| Reference | Nagel et al. 2019 |