CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1973-0427

COSMOS 554 DEB

COSMOS 554 DEB (NORAD 6740) re-entered Earth’s atmosphere on 20 September 1973.

Official dateFragment record
NORAD number
6740
International designator
1973-021HD
Object type
Fragment
Country
USSR
Parent launched
19 Apr 1973Plesetsk Cosmodrome
Re-entered (UTC)
20 Sep 1973UTC calendar day
Time since launch
5 months154 days
How it ended
Re-entered (natural decay)
Latitude range
73.0°N to 73.0°SFinal inclination 73.0°

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 73.0°, allowed a re-entry anywhere between 73.0°N and 73.0°S.

Life in orbit

COSMOS 554 DEB’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 20 Sep 1973

2 entries
1973-0429COSMOS 5841973-0428SATURN 5 DEB

From the same launch

1973-021
1973-0115SL-4 R/B1973-0278COSMOS 554

Part of a fragment group

194 on record
194One of 194 fragments of Cosmos 554 on record →
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0427
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