CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2012-0006
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 11555) re-entered Earth’s atmosphere on 4 January 2012, after 32 years, 6 months in orbit.
Official date
NORAD number
11555
International designator
1979-058D
Object type
Rocket body
Country
USSR
Launched
27 Jun 1979Plesetsk Cosmodrome
Re-entered (UTC)
4 Jan 2012UTC calendar day
Time in orbit
32 years, 6 months11,879 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
32 years, 6 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 4 Jan 2012
3 entriesFrom the same launch
1979-058
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2012-0006
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2012-0006
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.