TOI-1338 b
Artist's impression of the TOI-1338 b exoplanet. | |
| Discovery | |
|---|---|
| Discovered by | Wolf Cukier |
| Discovery date | 31 July 2019 |
| Transiting Exoplanet Survey Satellite | |
| Orbital characteristics | |
| 0.4607+0.0084 −0.0088 AU | |
| Eccentricity | 0.0331+0.0022 −0.0021 |
| 95.4001+0.0062 −0.0056 days | |
| Inclination | 90.494+0.013 −0.014 ° |
| Star | TOI-1338 |
| Physical characteristics | |
| 0.683 RJ | |
| Mass | 11.3±2.1 M🜨 |
Mean density | 398 kg/m3 |
TOI-1338 b is a gas giant circumbinary exoplanet in the constellation Pictor, orbiting around the binary star system TOI-1338. First identified by then-17-year-old Wolf Cukier, it was the first circumbinary planet discovered by the Transiting Exoplanet Survey Satellite (TESS). It was discovered on 31 July 2019, and announced 6 January 2020.
Located 1,318 light years away from Earth, the exoplanet has a radius of 16,991 kilometers (10,558 miles),a mass roughly 12.3 times that of Earth, and a mean density of 398 kg/m3 (24.84 lb/ft3).