CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0217
SL-4 DEB
SL-4 DEB (NORAD 11818) re-entered Earth’s atmosphere on 9 June 1980.
Official dateFragment record
NORAD number
11818
International designator
1980-042C
Object type
Fragment
Country
USSR
Parent launched
28 May 1980Plesetsk Cosmodrome
Re-entered (UTC)
9 Jun 1980UTC calendar day
Time since launch
12 days12 days
How it ended
Re-entered (natural decay)
Latitude range
72.9°N to 72.9°SFinal inclination 72.9°
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 72.9°, allowed a re-entry anywhere between 72.9°N and 72.9°S.
Life in orbit
Also ended on 9 Jun 1980
3 entriesFrom the same launch
1980-042
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0217
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0217
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.