CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0284
DELTA 1 DEB
DELTA 1 DEB (NORAD 9691) re-entered Earth’s atmosphere on 21 June 1978.
Official dateFragment record
NORAD number
9691
International designator
1975-004GN
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
21 Jun 1978UTC calendar day
Time since launch
3 years, 4 months1,246 days
How it ended
Re-entered (natural decay)
Latitude range
82.4°N to 82.4°SFinal inclination 97.6°
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 97.6°, allowed a re-entry anywhere between 82.4°N and 82.4°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Jun 1978
1 entryPart of a fragment group
175 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0284
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0284
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.