Source: https://www.reddit.com/r/InterdimensionalNHI/comments/1qnfjls/strange_spinning_ufo_filmed_in_green_valley/
I think this is an effect I've not seem before. The car engine is slightly rocking the car as it idles. This is moving the camera and makes it look like the object (probably venus) is moving in circles.
Here I've zoomed in on one of the ground lights, so you can see it's moving in a similar way: