What you witnessed was the appearance of recently launched StarLink satellites. When they are first deployed, the are close together and appear like a string of pearls. As time goes on they separate into their own position and are not so closely situated in the sky. You can get predictions for these and other Starlink satellites by visiting web pages such as Heavens-Above.com Be certain to change to location to your home town or the predictions will be inaccurate. Look under Satellite Passes/Sta