CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2002-0154
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 15811) re-entered Earth’s atmosphere on 18 March 2002, after 16 years, 9 months in orbit.
Official date
NORAD number
15811
International designator
1985-045D
Object type
Rocket body
Country
USSR
Launched
11 Jun 1985Plesetsk Cosmodrome
Re-entered (UTC)
18 Mar 2002UTC calendar day
Time in orbit
16 years, 9 months6,124 days
How it ended
Re-entered (natural decay)
Latitude range
62.6°N to 62.6°SFinal inclination 62.6°
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 62.6°, allowed a re-entry anywhere between 62.6°N and 62.6°S.
Life in orbit
16 years, 9 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Mar 2002
2 entriesFrom the same launch
1985-045
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2002-0154
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2002-0154
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.