CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0235
SL-3 DEB
SL-3 DEB (NORAD 3966) re-entered Earth’s atmosphere on 10 September 1969.
Official dateFragment record
NORAD number
3966
International designator
1969-029AK
Object type
Fragment
Country
USSR
Parent launched
26 Mar 1969Plesetsk Cosmodrome
Re-entered (UTC)
10 Sep 1969UTC calendar day
Time since launch
5 months168 days
How it ended
Re-entered (natural decay)
Latitude range
81.0°N to 81.0°SFinal inclination 81.0°
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 81.0°, allowed a re-entry anywhere between 81.0°N and 81.0°S.
Life in orbit
SL-3 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 10 Sep 1969
2 entriesFrom the same launch
1969-029
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0235
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0235
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.