CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0668
SL-4 DEB
SL-4 DEB (NORAD 20138) re-entered Earth’s atmosphere on 19 July 1989.
Official dateFragment record
NORAD number
20138
International designator
1989-056C
Object type
Fragment
Country
USSR
Parent launched
18 Jul 1989Baikonur Cosmodrome
Re-entered (UTC)
19 Jul 1989UTC calendar day
Time since launch
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
50.5°N to 50.5°SFinal inclination 50.5°
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 50.5°, allowed a re-entry anywhere between 50.5°N and 50.5°S.
Life in orbit
Also ended on 19 Jul 1989
3 entriesFrom the same launch
1989-056
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0668
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0668
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.