CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0460
DELTA 1 DEB
DELTA 1 DEB (NORAD 16999) re-entered Earth’s atmosphere on 1 August 1988.
Official dateFragment record
NORAD number
16999
International designator
1976-077EW
Object type
Fragment
Country
United States
Parent launched
29 Jul 1976Vandenberg
Re-entered (UTC)
1 Aug 1988UTC calendar day
Time since launch
12 years4,386 days
How it ended
Re-entered (natural decay)
Latitude range
77.6°N to 77.6°SFinal inclination 102.4°
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 102.4°, allowed a re-entry anywhere between 77.6°N and 77.6°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 1 Aug 1988
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0460
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0460
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.