CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0123
SL-4 R/B
SL-4 R/B (NORAD 5947) re-entered Earth’s atmosphere on 17 April 1972, after 3 days in orbit.
Official date
NORAD number
5947
International designator
1972-030B
Object type
Rocket body
Country
USSR
Launched
14 Apr 1972Plesetsk Cosmodrome
Re-entered (UTC)
17 Apr 1972UTC calendar day
Time in orbit
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
81.3°N to 81.3°SFinal inclination 81.3°
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 81.3°, allowed a re-entry anywhere between 81.3°N and 81.3°S.
Life in orbit
3 daysFrom the same launch
1972-030
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0123
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0123
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.