CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0100
SL-13 DEB
SL-13 DEB (NORAD 6423) re-entered Earth’s atmosphere on 10 April 1973.
Official dateFragment record
NORAD number
6423
International designator
1973-017X
Object type
Fragment
Country
USSR
Parent launched
3 Apr 1973Baikonur Cosmodrome
Re-entered (UTC)
10 Apr 1973UTC calendar day
Time since launch
7 days7 days
How it ended
Re-entered (natural decay)
Latitude range
51.5°N to 51.5°SFinal inclination 51.5°
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 51.5°, allowed a re-entry anywhere between 51.5°N and 51.5°S.
Life in orbit
Also ended on 10 Apr 1973
3 entriesFrom the same launch
1973-017
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0100
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0100
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.