CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1966-0395

COSMOS 129

COSMOS 129 (NORAD 2491) landed on 23 October 1966, after 9 days in orbit.

Official date
NORAD number
2491
International designator
1966-091A
Object type
Spacecraft
Country
USSR
Launched
14 Oct 1966Plesetsk Cosmodrome
Landed (UTC)
23 Oct 1966UTC calendar dayAlso recorded as 21 Oct 1966
Time in orbit
9 days9 days
How it ended
Landed
Latitude range
—
Mass
2,100 kg
Operator
TsUKOS
Built by
OKB-1 Fil. 3
Bus
Zenit-2
Programme
Zenit-2 A

Where it came down

Not on record

No position was recorded for this re-entry. Its final orbit is not on record.

Life in orbit

9 days

Also ended on 23 Oct 1966

1 entry
1966-0396SL-6 R/B

From the same launch

1966-091
1966-0391SL-3 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
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