CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2001-0012
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 16243) re-entered Earth’s atmosphere on 11 January 2001, after 15 years, 2 months in orbit.
Official date
NORAD number
16243
International designator
1985-105D
Object type
Rocket body
Country
USSR
Launched
9 Nov 1985Plesetsk Cosmodrome
Re-entered (UTC)
11 Jan 2001UTC calendar day
Time in orbit
15 years, 2 months5,542 days
How it ended
Re-entered (natural decay)
Latitude range
63.3°N to 63.3°SFinal inclination 63.3°
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 63.3°, allowed a re-entry anywhere between 63.3°N and 63.3°S.
Life in orbit
15 years, 2 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Jan 2001
3 entriesFrom the same launch
1985-105
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2001-0012
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2001-0012
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.