CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1962-0025
COSMOS 1 (SPUTNIK 11)
COSMOS 1 (SPUTNIK 11) (NORAD 266) re-entered Earth’s atmosphere on 23 May 1962, after 2 months in orbit.
Official date
NORAD number
266
International designator
1962-008A
Object type
Spacecraft
Country
USSR
Launched
16 Mar 1962Kapustin Yar
Re-entered (UTC)
23 May 1962UTC calendar dayAlso recorded as 25 May 1962
Time in orbit
2 months68 days
How it ended
Re-entered (natural decay)
Latitude range
49.0°N to 49.0°SFinal inclination 49.0°
Mass
47 kg
Operator
OKB-586
Built by
OKB-586
Bus
DS
Programme
DS Early
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 49.0°, allowed a re-entry anywhere between 49.0°N and 49.0°S.
Life in orbit
2 monthsCOSMOS 1 (SPUTNIK 11)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 May 1962
1 entryFrom the same launch
1962-008
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1962-0025
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1962-0025
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.