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Entry no.
1963-0023

COSMOS 18

COSMOS 18 (NORAD 586) landed on 2 June 1963, after 9 days in orbit.

Official date
NORAD number
586
International designator
1963-018A
Object type
Spacecraft
Country
USSR
Launched
24 May 1963Baikonur Cosmodrome
Landed (UTC)
2 Jun 1963UTC calendar day
Time in orbit
9 days9 days
How it ended
Landed
Latitude range
64.9°N to 64.9°SFinal inclination 64.9°
Mass
2,100 kg
Operator
OKB-1
Built by
OKB-1
Bus
Zenit-2
Programme
Zenit-2 LKI

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 64.9°, allowed a re-entry anywhere between 64.9°N and 64.9°S.

Life in orbit

9 days

From the same launch

1963-018
1963-0026SL-7 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0023
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