CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0269
SL-8 DEB
SL-8 DEB (NORAD 3963) re-entered Earth’s atmosphere on 10 July 1991.
Official dateFragment record
NORAD number
3963
International designator
1965-020EW
Object type
Fragment
Country
USSR
Parent launched
15 Mar 1965Baikonur Cosmodrome
Re-entered (UTC)
10 Jul 1991UTC calendar dayAlso recorded as 9 Jul 1991
Time since launch
26 years, 3 months9,613 days
How it ended
Re-entered (natural decay)
Latitude range
55.8°N to 55.8°SFinal inclination 55.8°
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 55.8°, allowed a re-entry anywhere between 55.8°N and 55.8°S.
Life in orbit
SL-8 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 10 Jul 1991
5 entriesFrom the same launch
1965-020
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0269
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0269
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.