I was riding in a car coming back from wilbur hot springs. i was on the freeway, interstate 80, near vacaville. i was talking with a friend who was driving. i looked to my right out the window and saw a large, hovering, purplish blue color saturn-like object in the sky. it was bright, but it was in the distance. it seemed a little transparent and slightly fuzzy. it seemed surreal. in a few seconds, maybe 7, in just disappeared. i never saw it move. it seemed to be at an angle. i never saw anything like this. it was mysterious and a little exciting to see. it was far away. the windows in the car were up. i knew immediately it was a ufo. i told my friend who was driving that i just saw something that looked like a ufo. it was very strange. i can't stop thinking about it. i drew a sketch of it.