CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0527
THORAD DELTA 1 DEB
THORAD DELTA 1 DEB (NORAD 8186) re-entered Earth’s atmosphere on 27 December 1978.
Official dateFragment record
NORAD number
8186
International designator
1974-089BC
Object type
Fragment
Country
United States
Parent launched
15 Nov 1974Vandenberg
Re-entered (UTC)
27 Dec 1978UTC calendar day
Time since launch
4 years, 1 month1,503 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
THORAD DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 27 Dec 1978
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0527
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0527
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.