CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0193
THORAD DELTA 1 DEB
THORAD DELTA 1 DEB (NORAD 7580) re-entered Earth’s atmosphere on 24 April 1977.
Official dateFragment record
NORAD number
7580
International designator
1974-101C
Object type
Fragment
Country
United States
Parent launched
19 Dec 1974Cape Canaveral
Re-entered (UTC)
24 Apr 1977UTC calendar day
Time since launch
2 years, 4 months857 days
How it ended
Re-entered (natural decay)
Latitude range
27.0°N to 27.0°SFinal inclination 27.0°
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 27.0°, allowed a re-entry anywhere between 27.0°N and 27.0°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/1977-0193
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0193
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.