CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0893
THORAD DELTA 1 DEB
THORAD DELTA 1 DEB (NORAD 8176) re-entered Earth’s atmosphere on 17 October 1989.
Official dateFragment record
NORAD number
8176
International designator
1974-089AS
Object type
Fragment
Country
United States
Parent launched
15 Nov 1974Vandenberg
Re-entered (UTC)
17 Oct 1989UTC calendar day
Time since launch
14 years, 11 months5,450 days
How it ended
Re-entered (natural decay)
Latitude range
78.1°N to 78.1°SFinal inclination 101.9°
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 101.9°, allowed a re-entry anywhere between 78.1°N and 78.1°S.
Life in orbit
THORAD DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Oct 1989
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0893
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0893
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.