HAT-P-42 09 01 22.6490 +06 05 50.0155 447 HAT-P-42 2MASS 09012265+0605500 Gaia DR2 583455604761166848 Lerna 1.179 1.528 12.17 12.83 12.02 10.960 10.677 10.626 5.1 0.27 G 5743 HAT-P-42 b 2MASS 09012265+0605500 b Gaia DR2 583455604761166848 b Lerna b Confirmed planets 0.975 1.277 4.641876 0.0575 0 85.9 1427 2455952.52606 HAT-P-42 b is a typical Hot Jupiter on a circular orbit around an early G-type main sequence star. The planet is inflated compared to our own Jupiter. It was discovered by the HATNet collaboration. transit 13/05/29 2013 1 Hydra