CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0246
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 17041) re-entered Earth’s atmosphere on 23 July 1999, after 12 years, 9 months in orbit.
Official date
NORAD number
17041
International designator
1986-079D
Object type
Rocket body
Country
USSR
Launched
20 Oct 1986Plesetsk Cosmodrome
Re-entered (UTC)
23 Jul 1999UTC calendar dayAlso recorded as 22 Jul 1999
Time in orbit
12 years, 9 months4,659 days
How it ended
Re-entered (natural decay)
Latitude range
62.2°N to 62.2°SFinal inclination 62.2°
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 62.2°, allowed a re-entry anywhere between 62.2°N and 62.2°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.
From the same launch
1986-079
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0246
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0246
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.