HD 217107 22 58 15.5409 -02 23 43.3871 20.00 HD 217107 HIP 113421 SAO 146412 TYC 5235-1468-1 HR 8734 BD-03 5539 2MASS J22581556-0223432 Gaia DR2 2648914040357320576 1.108 1.500 6.900 6.16 4.949 4.765 4.536 0.389 G8 IV 5704 HD 217107 b Gaia DR2 2648914040357320576 b TYC 5235-1468-1 b HIP 113421 b Confirmed planets 1.4135 7.126846 0.07505 0.1283 2454395.789 24.0 RV HD 217107 b is a short-period gas giant, though its orbit has a longer period than the majority of hot Jupiters and is significantly elliptical. It is a member of a hierarchical two-planet system. 17/12/10 1998 HD 217107 c Gaia DR2 2648914040357320576 c TYC 5235-1468-1 c HIP 113421 c Confirmed planets 4.48 5178 6.06 0.376 2455951 206.2 RV HD 217107 c is a giant planet in a long-period, eccentric orbit. It is a member of a hierarchical two-planet system. 17/12/10 2005 Pisces