CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0291
SL-4 R/B
SL-4 R/B (NORAD 6189) re-entered Earth’s atmosphere on 24 September 1972, after 8 days in orbit.
Official date
NORAD number
6189
International designator
1972-071B
Object type
Rocket body
Country
USSR
Launched
16 Sep 1972Baikonur Cosmodrome
Re-entered (UTC)
24 Sep 1972UTC calendar day
Time in orbit
8 days8 days
How it ended
Re-entered (natural decay)
Latitude range
71.3°N to 71.3°SFinal inclination 71.3°
Mass
2,350 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 71.3°, allowed a re-entry anywhere between 71.3°N and 71.3°S.
Life in orbit
8 daysAlso ended on 24 Sep 1972
2 entriesFrom the same launch
1972-071
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0291
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0291
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.