3 glowing orbs flying north to south in tight triangular formation the orbs aperid to be sub 10,000 feet made no noise and looked like it had no visible craft connecting the dots. About 10 minutes later I noticed a large flying bracket shaped craft flying north west to south east the craft had no visible navigation lights or any strobe and made no noise. I looked at a flight tracker from 22:00 to 23:00 (the time we were outside and watched these events) and saw no crafts on the radar moving in the direction as it crosses paths with a runway for BWI.