CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0311
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 3224) re-entered Earth’s atmosphere on 16 December 1971, after 4 years, 6 months in orbit.
Official date
NORAD number
3224
International designator
1967-052F
Object type
Rocket body
Country
USSR
Launched
24 May 1967Baikonur Cosmodrome
Re-entered (UTC)
16 Dec 1971UTC calendar day
Time in orbit
4 years, 6 months1,667 days
How it ended
Re-entered (natural decay)
Latitude range
64.7°N to 64.7°SFinal inclination 64.7°
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 64.7°, allowed a re-entry anywhere between 64.7°N and 64.7°S.
Life in orbit
4 years, 6 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 16 Dec 1971
1 entryFrom the same launch
1967-052
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0311
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0311
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.