UFO Sighting in Llanelli , Wales on 2017-06-19 17:10:00 - Egg shaped object flying very fast in a straight line. no sound at all. clear blue sky.

Me and he family were in the garden on a sunny afternoon, we saw planes flying over with vapour trails,all of a sudden we saw this egg shaped craft flying in the opposite direction to the planes that we saw it was traveling at least 3 times as fast as the planes were. there was no sound and no vapour trail. totally stumped as the what it could have been. please check out my video. thanks