CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0344
COSMOS 1166 DEB
COSMOS 1166 DEB (NORAD 11737) re-entered Earth’s atmosphere on 4 September 1980.
Official dateFragment record
NORAD number
11737
International designator
1980-020D
Object type
Fragment
Country
USSR
Parent launched
4 Mar 1980Plesetsk Cosmodrome
Re-entered (UTC)
4 Sep 1980UTC calendar day
Time since launch
6 months184 days
How it ended
Re-entered (natural decay)
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.
Life in orbit
COSMOS 1166 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 4 Sep 1980
2 entriesFrom the same launch
1980-020
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0344
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0344
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.