My girlfriend and I were camping right outside Yosemite National Forest in California star gazing at around 9:30-10:00 pm around our fire pit. The isolation and elevation makes the stars stand out and the big dipper look 10 times larger than usual, so the sky was perfect for gazing. We noticed some shooting stars and some planes. I noticed a star-like object that looked to be at the height that a passenger jet might fly, usually so far up that it looks to be going super slow. But this object was spanning across the sky at a very fast pace in regards to my guessed height and per my vision. I pointed it out to my girlfriend jokingly as a UFO, because we actually enjoy alien/ufo stories. I personally have always found it really interesting, especially of late, but never thought I'd ever actually see one. Half way across the sky the object met a similar one, a little dimmer. They came together spun around each other quickly. The second one then passed the other slightly and stayed put in place, the other continued the direction it was going but looked a little dimmer until it disappeared from sight. The hovering one remained until I just couldn't look anymore and lost track of it after a few blinks and gazes into my fire pit. The stories of other ufo encounters seem pretty similar to what my girlfriend and I saw. Also I am familiar that Yosemite has a history of strange events. I was excited and a little freaked out because I have always had a total fear of the "grey" aliens, just the way they look has always got to me since watching close encounters as a kid. Anyways, I am glad that I was able to see some and it really topped off our mini vacation. Also we both had no service up there so we did not have our phones to take pictures on us immediately, it was so far up I don't know if it would of captured it well anyways.