![]() 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[1] | |
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[2] | |
Mass | 11.3±2.1 M🜨[2] |
Mean density | 398 kg/m3[3] |
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).[4] It was discovered on 31 July 2019, and announced 6 January 2020.[5][6]
Located 1,318 light years[a] away from Earth, the exoplanet has a radius of 16,991 kilometers (10,558 miles),[b] a mass roughly 12.3 times that of Earth,[c] and a mean density of 398 kg/m3 (24.84 lb/ft3).[3][7]
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