HD 188015 19 52 04 +28 06 01 52.6 13 684 85 HD 188015 A 1.09 1.1 8.22 7.008 6.716 6.632 8.95 0.29 G5IV HD 188015 A b HD 188015 b Confirmed planets 1.26 456.46 1.19 0.15 The star HD 188015 A is part of a binary system. The binary companion is approximately 684 astronomical units away and much less massive. The planet was found by Geoffrey Marcy and collaborators in 2005. RV 12/12/08 2004 Planets in binary systems, S-type HD 188015 B 0.21 Vulpecula