CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0555
SL-4 DEB
SL-4 DEB (NORAD 21037) re-entered Earth’s atmosphere on 28 December 1990.
Official dateFragment record
NORAD number
21037
International designator
1990-115C
Object type
Fragment
Country
USSR
Parent launched
26 Dec 1990Plesetsk Cosmodrome
Re-entered (UTC)
28 Dec 1990UTC calendar day
Time since launch
2 days2 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 28 Dec 1990
3 entriesFrom the same launch
1990-115
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0555
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0555
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.