CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1971-0129

COSMOS 420

COSMOS 420 (NORAD 5230) landed on 30 May 1971, after 12 days in orbit.

Official date
NORAD number
5230
International designator
1971-043A
Object type
Spacecraft
Country
USSR
Launched
18 May 1971Baikonur Cosmodrome
Landed (UTC)
30 May 1971UTC calendar dayAlso recorded as 29 May 1971
Time in orbit
12 days12 days
How it ended
Landed
Latitude range
51.8°N to 51.8°SFinal inclination 51.8°
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 51.8°, allowed a re-entry anywhere between 51.8°N and 51.8°S.

Life in orbit

12 days

Also ended on 30 May 1971

1 entry
1971-0130COSMOS 420 DEB

From the same launch

1971-043
1971-0123SL-4 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0129
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