CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2021-0152
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 25330) re-entered Earth’s atmosphere on 23 April 2021, after 22 years, 11 months in orbit.
Official date
NORAD number
25330
International designator
1998-027D
Object type
Rocket body
Country
Russia
Launched
7 May 1998Plesetsk Cosmodrome
Re-entered (UTC)
23 Apr 2021UTC calendar day
Time in orbit
22 years, 11 months8,387 days
How it ended
Re-entered (natural decay)
Latitude range
62.1°N to 62.1°SFinal inclination 62.1°
Mass
4,500 kg
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 62.1°, allowed a re-entry anywhere between 62.1°N and 62.1°S.
Life in orbit
22 years, 11 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Apr 2021
3 entriesFrom the same launch
1998-027
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2021-0152
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2021-0152
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.