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Entry no.
1971-0233

COSMOS 439

COSMOS 439 (NORAD 5478) landed on 2 October 1971, after 11 days in orbit.

Official date
NORAD number
5478
International designator
1971-078A
Object type
Spacecraft
Country
USSR
Launched
21 Sep 1971Plesetsk Cosmodrome
Landed (UTC)
2 Oct 1971UTC calendar day
Time in orbit
11 days11 days
How it ended
Landed
Latitude range
65.4°N to 65.4°SFinal inclination 65.4°
Mass
2,200 kg
Operator
TsKBEM Fil. 3
Built by
TsKBEM Fil. 3
Bus
Zenit-2M
Programme
Zenit-2M

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 65.4°, allowed a re-entry anywhere between 65.4°N and 65.4°S.

Life in orbit

11 days

From the same launch

1971-078
1971-0224SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0233
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