CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0436
DELTA 1 DEB
DELTA 1 DEB (NORAD 9029) re-entered Earth’s atmosphere on 20 October 1980.
Official dateFragment record
NORAD number
9029
International designator
1975-004CT
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
20 Oct 1980UTC calendar dayAlso recorded as 22 Oct 1980
Time since launch
5 years, 8 months2,098 days
How it ended
Re-entered (natural decay)
Latitude range
82.3°N to 82.3°SFinal inclination 97.7°
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 97.7°, allowed a re-entry anywhere between 82.3°N and 82.3°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 20 Oct 1980
2 entriesPart of a fragment group
175 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0436
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0436
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.