The GJ 720 A system contains 1 exoplanet. It is located 50.74 light years away from the solar system.
| Mass | 0.57 solar masses |
| Radius | 0.56 solar radiae |
| Temperature | 3837 kelvin |
| Stellar Metallicity | -0.14 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, GJ 720 A 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 | 13.640 Earth masses |
| Density | 1.400 grams per cubic centimeter |
| Radius | 3.770 Earth radiae |
| Semi-major Axis | 0.119 AU |
| Eccentricity | 0.12 |
| Orbital Period | 19.466 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Roque de los Muchachos Observatory |
| Discovery Telescope | 3.58 m Telescopio Nazionale Galileo |
| Discovery Instrument | HARPS-N Spectrograph |
| Discovery Date | 2021-05 |
| Reference | González-Álvarez et al. 2021 |