CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2024-1097
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 15830) re-entered Earth’s atmosphere on 1 August 2024 over the North Pacific Ocean, after 39 years, 1 month in orbit.
Official date
NORAD number
15830
International designator
1985-049D
Object type
Rocket body
Country
USSR
Launched
18 Jun 1985Plesetsk Cosmodrome
Re-entered (UTC)
1 Aug 2024UTC calendar day
Time in orbit
39 years, 1 month14,289 days
How it ended
Re-entered (natural decay)
Latitude range
62.5°N to 62.5°SFinal inclination 62.5°
Mass
4,500 kg
Where it came down
Recorded positionRecorded position 62.0°N, 87.0°W. Its final orbit, inclined at 62.5°, allowed a re-entry anywhere between 62.5°N and 62.5°S.
Life in orbit
39 years, 1 monthSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 1 Aug 2024
4 entriesFrom the same launch
1985-049
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2024-1097
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2024-1097
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.