CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0533
DELTA 1 DEB
DELTA 1 DEB (NORAD 7873) re-entered Earth’s atmosphere on 31 December 1978.
Official dateFragment record
NORAD number
7873
International designator
1972-058AV
Object type
Fragment
Country
United States
Parent launched
23 Jul 1972Vandenberg
Re-entered (UTC)
31 Dec 1978UTC calendar day
Time since launch
6 years, 5 months2,352 days
How it ended
Re-entered (natural decay)
Latitude range
82.5°N to 82.5°SFinal inclination 97.5°
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 97.5°, allowed a re-entry anywhere between 82.5°N and 82.5°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 31 Dec 1978
4 entriesPart of a fragment group
204 on recordEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0533
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0533
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.