CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0294
COSMOS 53
COSMOS 53 (NORAD 983) re-entered Earth’s atmosphere on 12 August 1966, after 1 year, 6 months in orbit.
Official date
NORAD number
983
International designator
1965-006A
Object type
Spacecraft
Country
USSR
Launched
30 Jan 1965Kapustin Yar
Re-entered (UTC)
12 Aug 1966UTC calendar day
Time in orbit
1 year, 6 months559 days
How it ended
Re-entered (natural decay)
Latitude range
48.6°N to 48.6°SFinal inclination 48.6°
Mass
220 kg
Operator
Southern SDB
Built by
Southern SDB
Bus
DS
Programme
DS-A1
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 48.6°, allowed a re-entry anywhere between 48.6°N and 48.6°S.
Life in orbit
1 year, 6 monthsCOSMOS 53’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Aug 1966
2 entriesFrom the same launch
1965-006
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0294
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0294
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.