CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0406
COSMOS 554 DEB
COSMOS 554 DEB (NORAD 6737) re-entered Earth’s atmosphere on 2 September 1973.
Official dateFragment record
NORAD number
6737
International designator
1973-021HA
Object type
Fragment
Country
USSR
Parent launched
19 Apr 1973Plesetsk Cosmodrome
Re-entered (UTC)
2 Sep 1973UTC calendar day
Time since launch
4 months136 days
How it ended
Re-entered (natural decay)
Latitude range
73.1°N to 73.1°SFinal inclination 73.1°
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 73.1°, allowed a re-entry anywhere between 73.1°N and 73.1°S.
Life in orbit
COSMOS 554 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Sep 1973
1 entryFrom the same launch
1973-021Part of a fragment group
194 on recordEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0406
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0406
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.