CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2002-0429
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 20446) re-entered Earth’s atmosphere on 23 October 2002, after 12 years, 9 months in orbit.
Official date
NORAD number
20446
International designator
1990-006C
Object type
Rocket body
Country
USSR
Launched
23 Jan 1990Plesetsk Cosmodrome
Re-entered (UTC)
23 Oct 2002UTC calendar day
Time in orbit
12 years, 9 months4,656 days
How it ended
Re-entered (natural decay)
Latitude range
62.3°N to 62.3°SFinal inclination 62.3°
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 62.3°, allowed a re-entry anywhere between 62.3°N and 62.3°S.
Life in orbit
12 years, 9 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Oct 2002
1 entryFrom the same launch
1990-006
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2002-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2002-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.