CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1964-0215
COSMOS 40
COSMOS 40 (NORAD 855) re-entered Earth’s atmosphere on 18 November 1964, after 3 months in orbit.
Official date
NORAD number
855
International designator
1964-046C
Object type
Spacecraft
Country
USSR
Launched
18 Aug 1964Baikonur Cosmodrome
Re-entered (UTC)
18 Nov 1964UTC calendar day
Time in orbit
3 months92 days
How it ended
Re-entered (natural decay)
Latitude range
56.1°N to 56.1°SFinal inclination 56.1°
Mass
50 kg
Operator
OKB-10
Built by
OKB-10
Bus
Strela-1 11F610
Programme
Strela-1
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 56.1°, allowed a re-entry anywhere between 56.1°N and 56.1°S.
Life in orbit
3 monthsCOSMOS 40’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1964-046
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1964-0215
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1964-0215
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.