CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2019-0233
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 25488) re-entered Earth’s atmosphere on 29 August 2019 over the Arctic Ocean, after 20 years, 11 months in orbit.
Official date
NORAD number
25488
International designator
1998-054D
Object type
Rocket body
Country
Russia
Launched
28 Sep 1998Plesetsk Cosmodrome
Re-entered (UTC)
29 Aug 2019Recorded time 18:59 UTC
Time in orbit
20 years, 11 months7,640 days
How it ended
Re-entered (natural decay)
Latitude range
62.2°N to 62.2°SFinal inclination 62.2°
Mass
3,770 kg
Where it came down
Recorded positionRecorded position 72.0°N, 53.0°W at 18:59 UTC. Its final orbit, inclined at 62.2°, allowed a re-entry anywhere between 62.2°N and 62.2°S.
Life in orbit
20 years, 11 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1998-054
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2019-0233
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2019-0233
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.