See in the sky a lime green oval object, up in the sky, moving very quickly without any other lights. 3x size of plane

My boyfriend and I took our dogs to the park across the street after swimming. I always look at the sky and stars and was admiring when I notice a huge sideways lime green oval light up in the sky. Moving much quicker than any plane, helicopter or even jet I've ever seen. No light trails or any other light source like blinking lights. It was only the glowing, kind of hazy lime green light. And I started asking my boyfriend if he saw what I did and we discussed and ruled out several things such as a falling star or aircraft. I would say it looked about 3x the size of a plane and seemed up very high although it's hard to judge. We watched it go from one side of the sky to the other until we couldn't see it anymore past the tree tops. We searched for any information online and found nothing.
I wish I had gotten a photo but originally I hadn't even wanted to get out of the car, but did so reluctantly and left my phone in it as we walked into the park.