CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0099
SL-6 R/B(1)
SL-6 R/B(1) (NORAD 5920) re-entered Earth’s atmosphere on 1 April 1972, after 1 day in orbit.
Official date
NORAD number
5920
International designator
1972-023B
Object type
Rocket body
Country
USSR
Launched
31 Mar 1972Baikonur Cosmodrome
Re-entered (UTC)
1 Apr 1972UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
51.8°N to 51.8°SFinal inclination 51.8°
Mass
2,300 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 51.8°, allowed a re-entry anywhere between 51.8°N and 51.8°S.
Life in orbit
1 dayFrom the same launch
1972-023
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0099
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0099
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.