CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1989-0768
DELTA 1 DEB
DELTA 1 DEB (NORAD 8692) re-entered Earth’s atmosphere on 28 August 1989.
Official dateFragment record
NORAD number
8692
International designator
1975-004Q
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
28 Aug 1989UTC calendar day
Time since launch
14 years, 7 months5,332 days
How it ended
Re-entered (natural decay)
Latitude range
82.1°N to 82.1°SFinal inclination 97.9°
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 97.9°, allowed a re-entry anywhere between 82.1°N and 82.1°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 28 Aug 1989
1 entryPart of a fragment group
175 on recordEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1989-0768
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1989-0768
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.