CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0282
DELTA 1 DEB
DELTA 1 DEB (NORAD 21385) re-entered Earth’s atmosphere on 30 September 2011.
Official dateFragment record
NORAD number
21385
International designator
1975-052DF
Object type
Fragment
Country
United States
Parent launched
12 Jun 1975Vandenberg
Re-entered (UTC)
30 Sep 2011UTC calendar day
Time since launch
36 years, 3 months13,259 days
How it ended
Re-entered (natural decay)
Latitude range
79.6°N to 79.6°SFinal inclination 100.4°
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 100.4°, allowed a re-entry anywhere between 79.6°N and 79.6°S.
Life in orbit
DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 30 Sep 2011
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0282
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0282
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.