CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1976-0529

COSMOS 857

COSMOS 857 (NORAD 9439) landed on 7 October 1976, after 13 days in orbit.

Official date
NORAD number
9439
International designator
1976-097A
Object type
Spacecraft
Country
USSR
Launched
24 Sep 1976Plesetsk Cosmodrome
Landed (UTC)
7 Oct 1976UTC calendar day
Time in orbit
13 days13 days
How it ended
Landed
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,310 kg
Operator
GUKOS RVSN
Built by
TsSKB
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.

Life in orbit

13 days

From the same launch

1976-097
1976-0521SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1976-0529
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