Sadly Couldnt Find A Closed Form ): N̶o̶r̶ ̶A̶n̶ ̶E̶q̶u̶a̶t̶i̶o̶n̶ ̶)̶:̶ FOUND AN EQUATION Also If You DOnt Know What It Is Idk Either All I Know Is It Has To Do With Dark Matter Or Something Idk
