dont know????let my dog out,thought i would follow and have a smoke,my daughter followed.went to my car out by the street looked up towards the sky to check things out there wer some storms tonight towards the north and south.Seen a plane heading west towards denver or maybe the springs.out of my left eye i caught a movement there was a lightcoming from the south I estimated it was three to four times higher then the plane.And it was moving jack i called my daughter over who was playing with our dog.She couldnt believe it. Sattelite? alien spacecraft? govt. test plane ? (in kansas,think not) dont know .The light continued north at a good rate of speed, it was like the plane i had previosly saw was crawling