CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1973-0278

COSMOS 554

COSMOS 554 (NORAD 6432) re-entered Earth’s atmosphere on 27 May 1973, after 1 month in orbit.

Official date
NORAD number
6432
International designator
1973-021A
Object type
Spacecraft
Country
USSR
Launched
19 Apr 1973Plesetsk Cosmodrome
Re-entered (UTC)
27 May 1973UTC calendar day
Time in orbit
1 month38 days
How it ended
Re-entered (natural decay)
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
Mass
2,310 kg
Operator
GUKOS RVSN
Built by
TsKBEM Fil. 3
Bus
Zenit-4MK
Programme
Zenit-4MK

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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.

Life in orbit

1 month

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

Also ended on 27 May 1973

7 entries
1973-0279COSMOS 554 DEB1973-0280COSMOS 554 DEB1973-0281COSMOS 554 DEB1973-0282COSMOS 554 DEB1973-0283COSMOS 554 DEB1973-0284COSMOS 554 DEB1973-0285COSMOS 554 DEB

From the same launch

1973-021
1973-0115SL-4 R/B

Fragments of this object

194 on record
194fragments of COSMOS 554 are in the register →
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0278
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