CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0321
DELTA 1 DEB
DELTA 1 DEB (NORAD 8946) re-entered Earth’s atmosphere on 15 July 1978.
Official dateFragment record
NORAD number
8946
International designator
1975-004AC
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
15 Jul 1978UTC calendar day
Time since launch
3 years, 5 months1,270 days
How it ended
Re-entered (natural decay)
Latitude range
80.0°N to 80.0°SFinal inclination 100.0°
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 100.0°, allowed a re-entry anywhere between 80.0°N and 80.0°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Jul 1978
2 entriesPart of a fragment group
175 on recordEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0321
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0321
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.