CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0518
COSMOS 964 DEB
COSMOS 964 DEB (NORAD 10523) re-entered Earth’s atmosphere on 20 December 1977.
Official dateFragment record
NORAD number
10523
International designator
1977-110E
Object type
Fragment
Country
USSR
Parent launched
4 Dec 1977Plesetsk Cosmodrome
Re-entered (UTC)
20 Dec 1977UTC calendar day
Time since launch
16 days16 days
How it ended
Re-entered (natural decay)
Latitude range
72.8°N to 72.8°SFinal inclination 72.8°
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 72.8°, allowed a re-entry anywhere between 72.8°N and 72.8°S.
Life in orbit
Also ended on 20 Dec 1977
2 entriesFrom the same launch
1977-110
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0518
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0518
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.