CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2019-0064
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 8418) re-entered Earth’s atmosphere on 24 March 2019 over the South Pacific Ocean, after 43 years, 6 months in orbit.
Official date
NORAD number
8418
International designator
1975-081D
Object type
Rocket body
Country
USSR
Launched
9 Sep 1975Plesetsk Cosmodrome
Re-entered (UTC)
24 Mar 2019Recorded time 02:39 UTC
Time in orbit
43 years, 6 months15,902 days
How it ended
Re-entered (natural decay)
Latitude range
61.8°N to 61.8°SFinal inclination 61.8°
Mass
4,500 kg
Where it came down
Recorded positionRecorded position 44.0°S, 152.0°E at 02:39 UTC. Its final orbit, inclined at 61.8°, allowed a re-entry anywhere between 61.8°N and 61.8°S.
Life in orbit
43 years, 6 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 24 Mar 2019
1 entryFrom the same launch
1975-081
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2019-0064
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2019-0064
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.