CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0112
SL-3 DEB
SL-3 DEB (NORAD 3865) re-entered Earth’s atmosphere on 25 April 1973.
Official dateFragment record
NORAD number
3865
International designator
1969-029Q
Object type
Fragment
Country
USSR
Parent launched
26 Mar 1969Plesetsk Cosmodrome
Re-entered (UTC)
25 Apr 1973UTC calendar day
Time since launch
4 years1,491 days
How it ended
Re-entered (natural decay)
Latitude range
81.3°N to 81.3°SFinal inclination 81.3°
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
SL-3 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Apr 1973
1 entryFrom the same launch
1969-029
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0112
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0112
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.