CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0199
COSMOS 666
COSMOS 666 (NORAD 7367) landed on 25 July 1974, after 13 days in orbit.
Official date
NORAD number
7367
International designator
1974-053A
Object type
Spacecraft
Country
USSR
Launched
12 Jul 1974Plesetsk Cosmodrome
Landed (UTC)
25 Jul 1974UTC calendar day
Time in orbit
13 days13 days
How it ended
Landed
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
2,310 kg
Operator
GUKOS RVSN
Built by
TsSKB
Bus
Zenit-4MK
Programme
Zenit-4MK
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
13 daysAlso ended on 25 Jul 1974
1 entryFrom the same launch
1974-053Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0199
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0199
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.