CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0021
SL-4 DEB
SL-4 DEB (NORAD 12126) re-entered Earth’s atmosphere on 13 January 1981.
Official dateFragment record
NORAD number
12126
International designator
1980-105D
Object type
Fragment
Country
USSR
Parent launched
26 Dec 1980Plesetsk Cosmodrome
Re-entered (UTC)
13 Jan 1981UTC calendar day
Time since launch
18 days18 days
How it ended
Re-entered (natural decay)
Latitude range
67.1°N to 67.1°SFinal inclination 67.1°
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 67.1°, allowed a re-entry anywhere between 67.1°N and 67.1°S.
Life in orbit
Also ended on 13 Jan 1981
1 entryFrom the same launch
1980-105
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0021
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0021
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.