CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1973-0493

COSMOS 603

COSMOS 603 (NORAD 6900) landed on 9 November 1973, after 13 days in orbit.

Official date
NORAD number
6900
International designator
1973-079A
Object type
Spacecraft
Country
USSR
Launched
27 Oct 1973Plesetsk Cosmodrome
Landed (UTC)
9 Nov 1973UTC calendar day
Time in orbit
13 days13 days
How it ended
Landed
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
Mass
2,200 kg
Operator
GUKOS RVSN
Built by
TsKBEM Fil. 3
Bus
Zenit-4M
Programme
Zenit-4M

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

13 days

Also ended on 9 Nov 1973

1 entry
1973-0494SL-4 R/B

From the same launch

1973-079
1973-0494SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0493
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