You can always Find Xur and his inventory at FindXur.com, every Friday.
Xur is on Io, at Giant’s Scar. He will remain there until 12:00 PM EST, January 9, 2018. Discuss his gear and more in Discussions.
Merciless [Exotic Fusion Rifle]
Young Ahamkara’s Spine [Exotic Hunter Gauntlets]
Mask of the Quiet One [Exotic Titan Helmet]
Wings of Sacred Dawn [Exotic Warlock Chest]