Multiple orange sequential lights - North to South

At approximately 10-10:30 p.m. on Saturday night, while sitting in outdoor dining area of Hefner Grill in OKC, I noticed 4 bright orange lights spaced much like aircraft approaching a busy airport. But orange? No strobes (red and green) as always found on an airplane. I estimated their altitude to be 4,000 feet. I watched as they got closer to get a better look, thinking they would pass by and continue heading from North to South. However, the lead light got no closer than approximately 3 miles when it ascended until its appearance became like a star. The other three objects followed in like manner. Just moments later there was another string of these lights, three this time, and they followed the exact same course, disappearing upward until appearing star-like and eventually completely out of sight. Two more followed moments later with the same outcome. Anyone else see or report this?