CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0445
COSMOS 252 DEB
COSMOS 252 DEB (NORAD 3694) re-entered Earth’s atmosphere on 4 September 1981.
Official dateFragment record
NORAD number
3694
International designator
1968-097AJ
Object type
Fragment
Country
USSR
Parent launched
1 Nov 1968Baikonur Cosmodrome
Re-entered (UTC)
4 Sep 1981UTC calendar dayAlso recorded as 28 Oct 1980
Time since launch
12 years, 10 months4,690 days
How it ended
Re-entered (natural decay)
Latitude range
62.1°N to 62.1°SFinal inclination 62.1°
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 62.1°, allowed a re-entry anywhere between 62.1°N and 62.1°S.
Life in orbit
COSMOS 252 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0445
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0445
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.