CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0426
DELTA 1 DEB
DELTA 1 DEB (NORAD 6690) re-entered Earth’s atmosphere on 19 September 1973.
Official dateFragment record
NORAD number
6690
International designator
1973-039E
Object type
Fragment
Country
United States
Parent launched
10 Jun 1973Cape Canaveral
Re-entered (UTC)
19 Sep 1973UTC calendar day
Time since launch
3 months101 days
How it ended
Re-entered (natural decay)
Latitude range
29.3°N to 29.3°SFinal inclination 29.3°
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 29.3°, allowed a re-entry anywhere between 29.3°N and 29.3°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1973-039
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0426
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0426
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.