CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1976-0156
COSMOS 777
COSMOS 777 (NORAD 8416) re-entered Earth’s atmosphere on 3 June 1976, after 7 months in orbit.
Official date
NORAD number
8416
International designator
1975-102A
Object type
Spacecraft
Country
USSR
Launched
29 Oct 1975Baikonur Cosmodrome
Re-entered (UTC)
3 Jun 1976UTC calendar day
Time in orbit
7 months218 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
Mass
3,300 kg
Operator
Arsenal
Built by
Arsenal / Kometa
Bus
US-P
Programme
US-P
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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
7 monthsCOSMOS 777’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 3 Jun 1976
1 entryFrom the same launch
1975-102
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1976-0156
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1976-0156
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.