CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0300
SL-4 DEB
SL-4 DEB (NORAD 5663) re-entered Earth’s atmosphere on 9 December 1971.
Official dateFragment record
NORAD number
5663
International designator
1971-107C
Object type
Fragment
Country
USSR
Parent launched
6 Dec 1971Baikonur Cosmodrome
Re-entered (UTC)
9 Dec 1971UTC calendar day
Time since launch
3 days3 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
From the same launch
1971-107
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0300
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0300
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.