In 1957 black knight the blip of unknown origin was discovered in 1960 by a satellite. It was detected shadowing the sputnik 1 craft It was in a polar orbit, something that neither the Americans or Soviets were capable of at the time. This object was dubbed “The Black Knight. It was several times larger and several times heavier than anything capable of being launched with 1960 rockets. It shouldn’t have been there, but it was.