Orange colored orbs flying in formation over Greenfield Indiana

Moving at level flight from the south east heading north west approx. 3-5 thousand feet. orange spheres traveling in twos very fast. started off very bright and slowly dimming. At first sighting I saw eight orbs. They headed north slowing to a stop. then fading out. Then another two, then another, and they kept coming in twos. In my binoculars I could see a light that seemed to slowly circling the orb. I'm an amature astronomer and familiar with aircrafts, I was not confused on what I saw.  My wife used her camera phone but we have yet to download to computer.