CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0106
SL-13 DEB
SL-13 DEB (NORAD 6409) re-entered Earth’s atmosphere on 15 April 1973.
Official dateFragment record
NORAD number
6409
International designator
1973-017M
Object type
Fragment
Country
USSR
Parent launched
3 Apr 1973Baikonur Cosmodrome
Re-entered (UTC)
15 Apr 1973UTC calendar day
Time since launch
12 days12 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
Also ended on 15 Apr 1973
1 entryFrom the same launch
1973-017
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0106
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0106
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.