CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0143
COSMOS 252 DEB *
COSMOS 252 DEB * (NORAD 3953) re-entered Earth’s atmosphere on 13 April 1981.
Official dateFragment record
NORAD number
3953
International designator
1968-097BU
Object type
Fragment
Country
USSR
Parent launched
1 Nov 1968Baikonur Cosmodrome
Re-entered (UTC)
13 Apr 1981UTC calendar day
Time since launch
12 years, 5 months4,546 days
How it ended
Re-entered (natural decay)
Latitude range
—
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
COSMOS 252 DEB *’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 13 Apr 1981
28 entries1981-0162Kosmos-1204 SS 111981-0165SL-6 R/B(1)1981-0166SL-4 R/B1981-0138OPS 8464 DEB *1981-0139TITAN 3C TRANSTAGE DEB1981-0140TITAN 3C TRANSTAGE DEB1981-0141TITAN 3C TRANSTAGE DEB1981-0142COSMOS 249 DEB1981-0144SL-8 DEB1981-0145THORAD AGENA D DEB1981-0146SCOUT B DEB1981-0147THORAD AGENA D DEB+16 more
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0143
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0143
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.