CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0051
DELTA 1 DEB
DELTA 1 DEB (NORAD 9321) re-entered Earth’s atmosphere on 5 February 1980.
Official dateFragment record
NORAD number
9321
International designator
1975-004EY
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
5 Feb 1980UTC calendar day
Time since launch
5 years1,840 days
How it ended
Re-entered (natural decay)
Latitude range
80.0°N to 80.0°SFinal inclination 100.0°
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 100.0°, allowed a re-entry anywhere between 80.0°N and 80.0°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 5 Feb 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/1980-0051
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0051
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.