We was out riding our ATV through the field and seen something strange flying toward us then slowly flew away

We was out riding our ATV through the field I had my buddy with me. I looked up at the sky and seen something bring like the sun but wasn't as big and I ask him what is that he said idk. This light was probably about a mile away then it stopped over my house and just stayed there for a minute. After a few minutes it started flying tord our direction that's when I seen the aircraft it was about 150 ft about us it was really bright but not so bright it hurt your eyes it kinda had a glow but you could see the aircraft was in the shape of a triangle. Once it got over top of us it never stopped it just kept going then disappeared off in the distance after about 20 minute time span.