It's the aliens, Unnatural phenomena

1991 VG

A near-earth-object that was seemingly metallic and approximately 10 meters across went past the earth in 1991. Instead of looking like a piece of space rock it showed characteristics of a “made” object. It looks like it could have been made by an intelligent species, did we send it or did someone else?

Some of our Research:
A great orbital diagramDuncan Steels’ original paper
A scientific approach
Steels’ paper reinterpreted