DISTANCE: 19.4 light years from Sol NEIGHBORING SYSTEMS: Sigma Draconis 11.2 lys 61 Cygni 13 lys Iota Persei 17.9 lys ETA CASSIOPEIAE is a binary system in which the two stars move in a wide, eccentric orbit. Separated by an average distance of 72 AUs, the effects from the variation […]