CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0324
SL-3 DEB
SL-3 DEB (NORAD 3860) re-entered Earth’s atmosphere on 26 December 1971.
Official dateFragment record
NORAD number
3860
International designator
1969-029K
Object type
Fragment
Country
USSR
Parent launched
26 Mar 1969Plesetsk Cosmodrome
Re-entered (UTC)
26 Dec 1971UTC calendar day
Time since launch
2 years, 9 months1,005 days
How it ended
Re-entered (natural decay)
Latitude range
81.2°N to 81.2°SFinal inclination 81.2°
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 81.2°, allowed a re-entry anywhere between 81.2°N and 81.2°S.
Life in orbit
SL-3 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 26 Dec 1971
1 entryFrom the same launch
1969-029
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0324
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0324
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.