Declassified information now released from that time suggested that object was connected to a At the time the US Discoverer research satellite programme was actually a cover for the Corona project intended to photograph sites in the USSR.
A signal would be received then a second repeated signal received a few seconds later. In 1973, Scotsman Duncan Lunan (1945-) went back to these signals to see if could make sense of them.
Miraculously by plotting the delay times against the order in which the echoes were received he could create what appeared to be star charts and diagrams.
The origin of the ominous name is part of the enigma; it is impossible to discover who first called it this or indeed why.
Humans have only in the last 60 years had the technology to launch a man-made object into space so what is the logical explanation of tales of an alien intruder on our doorstep?
However, on more careful analysis this strange structure seems more like a piece of space debris.
In actual fact this black object is probably a thermal blanket (to be precise, a Trunnion Pin Thermal Cover) that had become dislodged during an EVA.
These are fast-spinning neutron stars which emit a rhythmic signal.
They were first discovered in 1967 by Northern Irish astrophysicist Jocelyn Bell-Burnell (1943-).
When you have admitted seeing UFOs once perhaps other details of when and where often become less significant.
The STS-88 Encounter The most recent and most cited “evidence” for a mystery satellite from beyond dates from 1998.
This was a time of deep suspicions held by the two superpowers on either side of the Pacific.