My girlfriend,her daughter,and i,were on our way from wounded knee,south dakota,to gordon,nebraska,about ten miles past the gordon junction,my girlfriend witnessed,the object,she said she watched it for awhile before telling me about it,to make sure it was moving,i then pulled our vehicle to the side of the road.I exited the vehicle,looked up, witnessed the object,moving across the sky,from east to west,the object continued west,i grabbed my phone and took a picture of the object,before it disappeared.