A spent rocket body from a 1974 Molniya launch re-entered the atmosphere on May 31, 2017 after over four decades in orbit. The launch delivered into orbit a Molniya-2 satellite into a highly elliptical orbit from where it could provide coverage over the Soviet Union.
NORAD ID: 7382
Object: SL-6 Rocket Body
Type: Block-L Upper Stage
Launched: July 23, 1974 – 01:23 UTC
Launch Vehicle: Molniya 8K78M
Launch Site: Plesetsk, Russia
Re-Entry Prediction: May 31, 2017 – 17:41 UTC +/-120 Min.
Re-Entry Zone: Unknown