CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0059
COSMOS 2121 DEB
COSMOS 2121 DEB (NORAD 21099) re-entered Earth’s atmosphere on 11 February 1991.
Official dateFragment record
NORAD number
21099
International designator
1991-004G
Object type
Fragment
Country
USSR
Parent launched
17 Jan 1991Plesetsk Cosmodrome
Re-entered (UTC)
11 Feb 1991UTC calendar day
Time since launch
25 days25 days
How it ended
Re-entered (natural decay)
Latitude range
82.6°N to 82.6°SFinal inclination 82.6°
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 82.6°, allowed a re-entry anywhere between 82.6°N and 82.6°S.
Life in orbit
Also ended on 11 Feb 1991
3 entriesFrom the same launch
1991-004
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0059
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0059
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.