CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0035
DELTA 1 DEB
DELTA 1 DEB (NORAD 8579) re-entered Earth’s atmosphere on 24 January 1981.
Official dateFragment record
NORAD number
8579
International designator
1972-058HG
Object type
Fragment
Country
United States
Parent launched
23 Jul 1972Vandenberg
Re-entered (UTC)
24 Jan 1981UTC calendar day
Time since launch
8 years, 6 months3,107 days
How it ended
Re-entered (natural decay)
Latitude range
81.8°N to 81.8°SFinal inclination 98.2°
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 98.2°, allowed a re-entry anywhere between 81.8°N and 81.8°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 24 Jan 1981
2 entriesPart of a fragment group
204 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0035
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0035
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.