The GJ 27.1 system contains 1 exoplanet. It is located 76.99 light years away from the solar system.
| Mass | 0.53 solar masses |
| Radius | 0.52 solar radiae |
| Temperature | 3542 kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, GJ 27.1 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 | 13.000 Earth masses |
| Density | 1.460 grams per cubic centimeter |
| Radius | 3.660 Earth radiae |
| Semi-major Axis | 0.101 AU |
| Eccentricity | 0.08 |
| Orbital Period | 15.819 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2014-06 |
| Reference | Tuomi et al. 2014 |