CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1982-0154
THORAD DELTA 1 DEB
THORAD DELTA 1 DEB (NORAD 8171) re-entered Earth’s atmosphere on 8 May 1982.
Official dateFragment record
NORAD number
8171
International designator
1974-089AM
Object type
Fragment
Country
United States
Parent launched
15 Nov 1974Vandenberg
Re-entered (UTC)
8 May 1982UTC calendar day
Time since launch
7 years, 5 months2,731 days
How it ended
Re-entered (natural decay)
Latitude range
78.2°N to 78.2°SFinal inclination 101.8°
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 101.8°, allowed a re-entry anywhere between 78.2°N and 78.2°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 8 May 1982
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1982-0154
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1982-0154
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.