CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0077
COSMOS 1823 DEB
COSMOS 1823 DEB (NORAD 18739) re-entered Earth’s atmosphere on 18 February 1991.
Official dateFragment record
NORAD number
18739
International designator
1987-020S
Object type
Fragment
Country
USSR
Parent launched
20 Feb 1987Plesetsk Cosmodrome
Re-entered (UTC)
18 Feb 1991UTC calendar day
Time since launch
3 years, 11 months1,459 days
How it ended
Re-entered (natural decay)
Latitude range
73.4°N to 73.4°SFinal inclination 73.4°
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 73.4°, allowed a re-entry anywhere between 73.4°N and 73.4°S.
Life in orbit
COSMOS 1823 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Feb 1991
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.