CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0387
COSMOS 252 DEB
COSMOS 252 DEB (NORAD 3688) re-entered Earth’s atmosphere on 15 September 1978.
Official dateFragment record
NORAD number
3688
International designator
1968-097AF
Object type
Fragment
Country
USSR
Parent launched
1 Nov 1968Baikonur Cosmodrome
Re-entered (UTC)
15 Sep 1978UTC calendar day
Time since launch
9 years, 10 months3,605 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 15 Sep 1978
3 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0387
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0387
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.