Light oval/tictac shape metallic looking. High up, hovering and doing strange movements. I have a video

Please see videos. I noticed from the south a bright metallic light very high up, initially I thought it was a plane, but it was moving very slowly and then in different movements, nothing a plane or helicopter could do. It was a small dot but clear to see as the sky was clear. It was a oval/tictac shape. I watched it for 5 minutes. I started to record it. It went slowly north and then to my east. I noticed sometimes it disappeared but then it came back. It was very high allitude. I checked the flight radar and no planes matched its movements or locations. I checked the ISS website and again negative.