CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2023-1828
COSMOS 405
COSMOS 405 (NORAD 5117) re-entered Earth’s atmosphere on 3 November 2023 over the North Pacific Ocean, after 52 years, 6 months in orbit.
Official date
NORAD number
5117
International designator
1971-028A
Object type
Spacecraft
Country
USSR
Launched
7 Apr 1971Plesetsk Cosmodrome
Re-entered (UTC)
3 Nov 2023Recorded time 03:27 UTC
Time in orbit
52 years, 6 months19,203 days
How it ended
Re-entered (natural decay)
Latitude range
81.2°N to 81.2°SFinal inclination 81.2°
Mass
1,750 kg
Operator
TsNII-108
Built by
Southern SDB
Bus
Tselina-D
Programme
Tselina-D1
Where it came down
Recorded positionRecorded position 28.0°N, 174.0°E at 03:27 UTC. Its final orbit, inclined at 81.2°, allowed a re-entry anywhere between 81.2°N and 81.2°S.
Life in orbit
52 years, 6 monthsCOSMOS 405’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 3 Nov 2023
5 entriesEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2023-1828
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2023-1828
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.