CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0056
SL-4 DEB
SL-4 DEB (NORAD 5040) re-entered Earth’s atmosphere on 23 March 1971.
Official dateFragment record
NORAD number
5040
International designator
1971-016E
Object type
Fragment
Country
USSR
Parent launched
26 Feb 1971Baikonur Cosmodrome
Re-entered (UTC)
23 Mar 1971UTC calendar day
Time since launch
25 days25 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
SL-4 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Mar 1971
1 entryFrom the same launch
1971-016
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0056
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0056
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.