Vanguard I has spent six decades in orbit, more than any other craft

As of this month, the US satellite Vanguard I has spent 60 years in orbit and it remains the oldest man-made object in space. Vanguard I was the fourth satellite launched into orbit — following the USSR's Sputnik I and II and the US' Explorer I. But…
Source: Engadget | Vanguard I has spent six decades in orbit, more than any other craft