CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0493
COSMOS 123
COSMOS 123 (NORAD 2295) re-entered Earth’s atmosphere on 10 December 1966, after 5 months in orbit.
Official date
NORAD number
2295
International designator
1966-061A
Object type
Spacecraft
Country
USSR
Launched
8 Jul 1966Kapustin Yar
Re-entered (UTC)
10 Dec 1966UTC calendar day
Time in orbit
5 months155 days
How it ended
Re-entered (natural decay)
Latitude range
48.8°N to 48.8°SFinal inclination 48.8°
Mass
200 kg
Operator
Southern SDB / PVO
Built by
Southern SDB
Bus
DS-P1
Programme
DS-P1-Yu A
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 48.8°, allowed a re-entry anywhere between 48.8°N and 48.8°S.
Life in orbit
5 monthsCOSMOS 123’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 10 Dec 1966
2 entriesFrom the same launch
1966-061
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0493
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0493
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.