The Qatar-9 system contains 1 exoplanet. It is located 697.23 light years away from the solar system.
| Mass | 0.72 solar masses |
| Radius | 0.7 solar radiae |
| Temperature | 4309 kelvin |
| Stellar Metallicity | 0.252 decimal exponent |
| Age | 7.5 billion years |
At more than 50 Earth masses, Qatar-9 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 378.218 Earth masses |
| Density | 1.430 grams per cubic centimeter |
| Radius | 11.310 Earth radiae |
| Semi-major Axis | 0.0234 AU |
| Eccentricity | 0 |
| Orbital Period | 1.541 days |
| Discovery Method | Transit |
| Discovery Facility | Qatar |
| Discovery Telescope | Canon 400mm f/2.8L |
| Discovery Instrument | FLI ProLine 4K CCD Sensor |
| Discovery Date | 2019-06 |
| Reference | Alsubai et al. 2019 |