CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2002-0288
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 20586) re-entered Earth’s atmosphere on 31 May 2002, after 12 years, 1 month in orbit.
Official date
NORAD number
20586
International designator
1990-039D
Object type
Rocket body
Country
USSR
Launched
26 Apr 1990Plesetsk Cosmodrome
Re-entered (UTC)
31 May 2002UTC calendar day
Time in orbit
12 years, 1 month4,418 days
How it ended
Re-entered (natural decay)
Latitude range
63.2°N to 63.2°SFinal inclination 63.2°
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 63.2°, allowed a re-entry anywhere between 63.2°N and 63.2°S.
Life in orbit
12 years, 1 monthSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 31 May 2002
2 entriesFrom the same launch
1990-039
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2002-0288
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2002-0288
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.