CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0374
THORAD DELTA 1 DEB
THORAD DELTA 1 DEB (NORAD 8739) re-entered Earth’s atmosphere on 8 September 1977.
Official dateFragment record
NORAD number
8739
International designator
1974-101E
Object type
Fragment
Country
United States
Parent launched
19 Dec 1974Cape Canaveral
Re-entered (UTC)
8 Sep 1977UTC calendar day
Time since launch
2 years, 8 months994 days
How it ended
Re-entered (natural decay)
Latitude range
26.9°N to 26.9°SFinal inclination 26.9°
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 26.9°, allowed a re-entry anywhere between 26.9°N and 26.9°S.
Life in orbit
THORAD DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1974-101
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0374
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0374
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.